--- 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
__________ 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
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
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
_________ 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
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
