When television was first introduced, the extent _______ it would affect society could not have been foreseen.
A. of which B. of what C. to which D. in which
He thought the jar made ______ earth ______ little value and let me have it ______ only 5 dollars.
A. of; of; for B. from; of; by C. from; with; for D. of; of; by
--- I recommend you first give up smoking, and then try to find a job so that you’ll start a new life.
--- _______.
A. Not in the least B. Easier said than done
C. It’s up to you D. That all depends
The conservation area is very important for preserving many animals and plants, which would ______ run the risk of becoming extinct.
A. otherwise B. therefore C. though D. instead
______ we think of Ben, we have to admit that he is a highly competent man.
A. However B. Whether C. Whichever D. Whatever
Lin Tao has returned from the UK recently. He ______ at Cambridge for four years, during which we ______ with each other on the Internet.
A. has studied; has communicated B. had studied; communicated
C. studied; had communicated D. studied; communicated
