皮皮学，免费搜题
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【单选题】
人工呼吸每次吹气应不少于多少秒（）A.
1秒
B.
2秒
C.
3秒
D.
4秒
E.
5秒
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举一反三
【单选题】Jack contributed fifty dollars， but he wishes he could contribute __________ .
A.
one other fifty dollars
B.
the same amount also
C.
another fifty dollars
D.
more fifty dollars
【单选题】Jack wishes that he__________ business instead of history．when he was in university．
A.
had studied
B.
study
C.
studied
D.
had been studying
【单选题】Jack wishes that he _____ all related facts into consideration before he made the decision.
A.
took
B.
takes
C.
had taken
D.
would take
【简答题】Jack wishes that he______(学习商科而非历史) when he was in the university.
【单选题】Jack wishes that he ______ business instead of history when he was in university .
A.
studied
B.
study
C.
had been studying
D.
had studied
【简答题】Jack wishes that he ___________ business instead ?Jack wishes that he ___________ business instead of history when he was in university. A) studied B) study C) had been studying D...
【简答题】Jack wishes that he ________ business instead of history when he was in university. A) had studied B) study C) studied D) had been studying
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