You _______that if you don't want to.
A. don't need do
B. needn't do
C. need to have done
D. don't need to
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You _____her in her office last Friday; she's been out of town for two weeks.
A. needn't have seen
B. might have seen
C. can't have seen
Would you sooner I _______ my paper tomorrow morning?
A. handed in
B. will have handed in
C. hand in
D. will hand in
I _______in the kitchen when you phoned.
A. must have been
B. must be
C. can be
D. could have been
《中华人民共和国建筑法》第一条明确了制定此法的目的是“为了加强对建筑活动的(),维护(),保证建筑工程的(),促进建筑业的健康发展。