For some actors and actresses, ________ stage is just ________means of making a living.

A. a; aB. the; aC. the; the D. a; the

It is important to maintain clear channels of communication _________ to make complaints so as to guarantee the quality of our service.

A. in which B. in thatC. by whichD. through which

_________ from your family and friends, though it may cause short-term discomfort, doesn’t have to be as painful as it seems.

A. Being separated B. Separated

C. Having separated D. Separating

To our disappointment, the research they have carried out has been limited ____ production profits, ______ making sure that GM foods are safe.

A. to increase, instead of

B. to increasing, as well as

C. to increase, other than

D. to increasing, rather than

People have the belief _______ factories should produce fewer things from raw materials, _______ the supply is growing smaller and smaller.

A. which; that B. that; of which

C. that; whose D. which; whose

__________ you may have, you should gather your courage to face the challenge.

A. However a serious problem

B. What a serious problem

C. However serious a problem

D. Whatever serious a problem

--- Some Chinese students find it difficult to understand native speakers when in London.

--- Exactly, ____ they’ve learned a lot about grammar and known many words.

A. what if B. now that C. as ifD. even if

— I’m calling to _______ our lunch appointment. It’s tomorrow at twelve o’clock, right?

— Absolutely.

A. confirmB. acknowledgeC. attain D. advocate

The new-found island, ________ 12 kilometres by 7 kilometres, has been purchased by the army as a military base.

A. measured B. measures

C. which is measured D. measuring

The villagers are extremely thankful to Mr. Jason, without whose help the road to the village_________.

A. can’t be built

B. couldn’t have been built

C. mustn’t be built

D. mustn’t have been built