He started to work dilligently _____ he came up with the idea of hybrid rice for the first time in the 1960’s.
A. at once B. the moment C. for the moment D. in no time
Once e-mail learners _______ with the basic knowledge of how to use the network, they ______ to a local network and a global network.
A. are equipped … will be linked B. are equipping…will be linked
C. are equipped … will link D. will be equipped…will be linked
Yuan Longping, known as the “father of hybrid rice”, doesn’t care about money or about ____ people call position.
A. that B. such C. what D. which
What a table! I’ve never seen such a thing before. It is _____ it is long.
A. half not as wide as B. wide not as half as
C. not half as wide as D. as wide as not half
-- How long do you think it will be ____ the USA recovers from the losses of the financial crisis?
-- Perhaps four or five years.
A. when B. since C. that D. before
-- Oh, my god! I just missed the last bus back home.
-- That’s really bad. I’m sure you ____ it, but you were not in a hurry.
A. could catch B. had caught C. could have caught D. would catch
