Teenagers________their health because they play computer games too much.
A. have damaged
B. are damaging
C. damaged
D. will damage
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I don't believe you've already finished reading the book— I ________it to you this morning!
A. would lend
B. was lending
C. had lent
D. lent
---What's that noise?---Oh, I forgot to tell you.The new machine________?
A. was tested
B. will be tested
C. is being tested
D. has been tested
The bridge, which _____ 1688, needs repairing.
A. is dated from
B. was dated from
C. dates from
D. dated from
---Hey, look, where you are going!---Oh,I'm terribly sorry. ________.
A. I'm not noticing
B. I wasn't noticing
C. I don't notice
D. I haven't notices