Mike, you can________this book for two weeks, but don’t________it to others.
A.borrow; keep B.keep; lend C.borrow; lend D.lend; borrow
The life we were used to_________ a lot over the years.
A. changing B. changed C. has changed D. change
Becky has ______ fed the dog, but she hasn’t watered the plants ______.
A.never; already B.already; yet
C.yet; before D.yet; already
Noise pollution has been a problem in my hometown_________.
A.since then B.in the future C.once a week D.in the past
— What a beautiful car! When________you________it?
— I________it for two years.
A.did; buy; bought B.did; buy; have had
C.have; bought; have bought D.have; bought; had
The engineer________the computer in our classroom, but I failed to turn it on.
A.had fixed B.hasn’t fixed C.were fixing D.fixes
