-----This returned Chinese scholar has become one of the top experts in this field.
-----Yes, I know him very well. He _____ in Africa with wild animals for eight years.
A.is working | B.had worked | C.worked | D.has been working |
Thinking that you know _________ in fact you don’t is a serious mistake.
A.what | B.that | C.when | D.however |
—Oh,life is so boring!
—Please don’t think so.I suppose you’ve come to the point _________ a change is needed.
A.where | B.when | C.which | D.as |
__________ is announced in today’s paper,they have succeeded in solving many problems in accordance with the new theory.
A.It | B.That | C.What | D.As |
This is an unpleasant subject __________ we might argue for a long while.
A.in which | B.with them |
C.about which | D.with it |
The sale usually takes place outside the house,with the audience __________ on benches,chairs or boxes.
A.having seated | B.seating |
C.seated | D.having been seated |