The number of the people who can afford to buy their own house ______ more than 60%,but a number of houses _______.
A. are; hasn’t been built B. are; has built C. is; haven’t been built D. is; have built
I didn’t get a pay rise, but that wasn’t the right reason _______I left.
A. how B. at which C. when D. for which
He started to study ecology and decided to _______his whole life to the science.
A. ignore B. devote C. prefer D.lead
Recently our government policymakers are very _______about the rapidly rising food costs.
A. upset B. confused C. concerned D. conscious
Disappointingly, the new computer, ________ he loves a lot, breaks down frequently.
A. which B. what C. that D. one
----I don’t suppose the police know who did it.
----Well, surprisingly they do. A man has been arrested and _____ now.
A. has being questioned B. is questioning
C. has questioned D. is being questioned
