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[单选题]
A.have toB.mustC.shouldD.need
A.have to
B.must
C.should
D.need
查看答案
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A.have to
B.must
C.should
D.need
【C6】
A.have decided
B.will decide
C.decided
D.will have decided
【C10】______
A.have not been
B.are not
C.were not
D.will not be
There ______ little change in that middle school.
A.have B.had C.have been D.has been
【C10】
A.have brought
B.have been brought
C.have taken
D.have been taken