题目
A.had been
B.were
C.was
D.would be
第1题
I would have told him the answer had it been possible, but I have been so busy then.()
第2题
The technological advances made it possible for the middle classes to enjoy what had once been () only to the very rich.
第3题
A.were
B.had been
C.have been
D.was
第4题
The technological advances made it possible for the middle classes to enjoy what had once been manageable only to the very rich.()
第5题
The technological advances made it possible for the middle classes to enjoy what had once been () only to the very rich.
A.manageable
B.measurable
C.affordable
第6题
A.has
B.would have
C.had
D.have
第7题
第8题
A.has
B.would have
C.had
D.should have
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