Choose the answer among A, B, C, D to complete each of the sentences below:
About 100 Russian satellites are _____ the earth.
A.flying
B.traveling
C.orbitting
D.circuiting

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
The contest aimed to stimulate the spirit of learning English ______ students.
A.on
B.among
C.of
D.for

Choose the answer among A, B, C, D to complete each of the sentences below:
His flight was in ______ around the Earth at the speed of more than 17,000 miles per hour.
A.circuit
B.travel
C.revolve
D.orbit

Choose the answer among A, B, C, D to complete each of the sentences below:
Many newer cars have a much lower fuel ______.
A.consuming
B.consumation
C.consumer
D.consumption

Choose the answer among A, B, C, D to complete each of the sentences below:
There are rumors of buried ______ in that old house.
A.chamber
B.treasure
C.belongings
D.tomb

Choose the answer among A, B, C, D to complete each of the sentences below:
Jen had confided her secret to Mark; but he betrayed her ________.
A.constancy
B.loyalty
C.sympathy
D.trust

Choose the answer among A, B, C, D to complete each of the sentences below:
I'd like to send this parcel express. What's the _____ on it?
A.price
B.postage
C.value
D.cost

Choose the answer among A, B, C, D to complete each of the sentences below:
There is now increasing concern about the world's energy...... particularly about those involving fossil fuels.
A.possessions
B.materials
C.goods
D.resources

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Your friendship should be based on ________ trust.
A.mutual
B.basic
C.blind
D.fragile

Choose the answer among A, B, C, D to complete each of the sentences below:
In 1987, the Great Wall was listed as a World Heritage _____ UNESCO.
A.of
B.by
C.to
D.with