A. a
B. an
C. the
D. no article
A. would listen
B. listened
C. had listened
D. would listened
A. have decided
B. decided
C. had decided
D. would decide
A. although
B. yet
C. so that
D. because
A. for
B. by
C. about
D. from
A. Coming out
B. On coming out
C. When coming
D. As I came out
A. That when discovered
B. Discovered
C. Discovering
D. Which was discovered
A. to have redecorated our flat
B. having redecorate our flat
C. to have our flat to be redecorated
D. having our flat redecorated
A. cautious
B. cautiously
C. cautional
D. cautionally
A. put off
B. call off
C. keep on
D. carry out
A. persist
B. continue
C. decide
D. react
A. vanishing
B. disappearance
C. absence
D. loss
A. separately
B. respectively
C. independently
D. respectfully
A. reason
B. point
C. aim
D. purpose
A. flushing out with water
B. washing out with water
C. supplying water
D. cleaning with water
A. complain
B. exchange
C. explain
D. arrange
A. tolerant
B. cautious
C. serious
D. minor
A. join
B. prevent
C. maintain
D. support
A. It’s my pleasure.
B. I don’t know what time that person comes.
C. I’d love to come. What time?
D. Do you have time for some gossip?
A. It’s good to play baseball.
B. No, I don’t.
C. I’d rather go to the art gallery.
D. No, thanks. I’d like to sit here.
A. illustrate the importance of conserving water
B. describe the properties and uses of water
C. compare water with other liquids
D. explain how water is used in commerce and industry
A. 80,000 million cubic miles of water
B. 24,000 cubic miles of rain
C. 80,000 cubic miles of water
D. 300 million cubic miles of water
A. exceptionally good
B. special
C. amusing
D. important
A. evaporation and condensation create a water cycle
B. there are currents in the oceans
C. they do not need oxygen
D. ice floats
A. Water can absorb heat
B. Water is good solvent
C. Water contracts on cooling
D. Water expands when it is frozen
A. to show that cotton is one of the most popular materials for clothing
B. to give an example of a common GM product that is not a food
C. to give an example of a controversy surrounding GM products
D. to show that the risk of GM products are minimal
A. war
B. aspect
C. GM
D. risk
A. interesting
B. annoying
C. dangerous
D. obvious
A. flowers
B. grass
C. tobacco
D. rubber
A. good
B. perfect
C. wrong
D. opinion
A. to improve or make paper less expensive
B. to produce more fruit
C. to find a way to make paper without pulp
D. to replace trees cut down for paper
A. is already in the market
B. produces drugs that are very expensive
C. makes cigarettes harmless to smokers
D. can have lower or higher levels of nicotine
A. calls
B. heat
C. applying it
D. to the wood
A. Owing
B. highly competitive
C. have been known
D. when suffered
A. time
B. helped
C. unemployment
D. some
A. It was thought that Alexander Fleming discovered penicillin in 1928.
B. Alexander Fleming was thought to have discovered penicillin in 1928.
C. Penicillin is thought to have been discovered by Alexander Fleming in 1928.
D. Alexander Fleming discovered penicillin in 1928 is thought.
A. Peter asked me for some coffee.
B. Peter offered giving me some coffee.
C. Peter wanted to know if I would like to make coffee.
D. Peter invited me some coffee.
A. Thomas received a warning for speeding and he shouldn’t have driven so fast.
B. Thomas received a warning for speeding and he couldn’t have driven so fast.
C. Thomas received a warning for speeding and he should have driven so fast.
D. Thomas received a warning for speeding and he might have driven so fast.
A. Apart from physical activities, eating too much also contributes to several deadly diseases.
B. Not only overeating but also physical inactivity may lead to several deadly diseases.
C. Both overeating and physical inactivity result from several deadly diseases.
D. Overeating and physical inactivity are caused by several deadly diseases.
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