A of
B on
C for
D after
A on
B out
C off
D over
A achieves
B achieved
C achievers
D achievements
A feast
B feat
C feature
D fervour
A manned
B natural
C artificial
D live
A discription
B vision
C recognition
D attention
A landmark
B record
C break-up
D progress
A orbit
B travel
C circuit
D revolve
A yet
B unless
C despite
D where
A be able to have gotten
B have been able to get
C to have been able to get
D be able to get
A could buy
B was supposed to buy
C had to buy
D was able to buy
A are
B have been
C have to be
D were
A ad arrived
B arrived
C have arrived
D had been arriving
A have I seen
B I have ever seen
C I saw
D did I ever see
A have they
B haven't they
C has he
D hasn't he
A could
B was able to
C couldn't
D might
A lead
B leads
C leading
D have led
A never
B says
C anything
D ocal
A All the
B enough good
C to pass
D final
A Neither
B vwanted
C their
D associated
A completed
B quickly
C could
D also.
A billions
B nerve
C every
D organs.
A The planet, Mercury
B Observation of planets
C The Earth's moon
D Astronomers' difficulties
A Because it has an atmosphere which obscures observation
B Because it is too close to the sun.
C Because it is too small.
D Because it is difficult for space probes to get close to.
A The valleys are filled with volcanic rocks.
B There are no volcanoes.
C The valleys are uncratered
D There are hilly regions.
A Show the volcanoes on Mercury.
B Show the meteorites which hit Mercury.
C Show what caused Mercury's valleys.
D Show more of the planet, Mercury.
A Better and more space telescopes
B More hypotheses.
C Larger space telescopes
D More ways to prove hypotheses.
A Two students are smarter than Jeanne.
B The class has only three smart students.
C No other student is as smart as Jeanne.
D Jeanne is not as smart as most of the other students.
A Both she and the executive secretary have a firm position.
B She possesses the firm qualities of an executive secretary.
C Firmness is needed to qualify one for position of executive secretary.
D The job of executive secretary requires more skills than she has.
A The children expected new clothes as Christmas gifts.
B The children wanted to wear new clothes on Christmas Day.
C The children looked for new clothes for Christmas.
D The children got dressed for Christmas Day.
A The company agreed with Bill's offer
B The company rejected Bill's offer.
C The company accepted Bill's offer
D The company discussed Bill's offer.
A The majority of the students in the class do not speak Spanish.
B Seventy-five percent of the students in the class speak Spanish.
C The percentage of the students who speak Spanish is less than twenty-five percent.
D About twenty-five percent of the students in the class speak languages other than Spanish.
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