He has a poor lifestyle, and he also saide he was used to going to bed late,________?
A. wasn'he
B. was he
C. didn't he
D. did he
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If we had had a map with us, we ______ the person who lost his way.
A. hadn't helped
B. would have helped
C. hadn't been helped
D. would help
They____ their work ahead of time without our help.
A. haven't completed
B. weren't completed
C. shall have completed
D. wouldn't have completed
Most of the parents hope their kids can do something perfectly, so they can't help_________ under the pressure.
A. work
B. but work
C. but to work
D. but working
We need time to inform ourselves thoroughly______ a strong business model.
A. of
B. to
C. in
D. about