I wish you success in your career.().
A. Go ahead.
B. It doesn't matter.
C. The same to you.
第2题
I bought a new car last month, but()my old car yet.
A. did not sell
B. have not sold
C. had not sold
第3题
Many disasters allow no time for people to gather even the most basic necessities, which is()planning ahead is essential.
A. why
B. because
C. since
第4题
Proper controls that should()developed as part of routine safety procedures were not in place.
A. has been
B. have been
C. be
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