题目内容
（请给出正确答案）
[多选题]
() it not been for the doctor on board the plane, the passenger could have ended up dead.
如搜索结果不匹配，请 联系老师 获取答案
Every means __________since then.
A.has been trying
B.have been trying
C.have been tried
D.has been tried
更多“() it not been for the doctor …”相关的问题
第2题
Since ancient times, the value of chicken soup______A．has been over-estimatedB．has been wi
Since ancient times, the value of chicken soup______
A．has been over-estimated
B．has been widely acknowledged
C．has been appreciated only by philosophers
D．has been known only to mothers
第4题
It is sid in the book tht Toms Edison （） _______ the world leding inventor for thirty yers．would be B．hs been C．ws D．hd been
A.would be
B.has been
C.was
D.had been
第5题
More students than one ______ there. A. has been B. have been C. had been D. would hav
More students than one ______ there.
A. has been
B. have been
C. had been
D. would have been
第7题
This is one of the books ______ on this subject. A．that have ever been written B．which have
A.A.that have ever been written
B.B.which have ever been written
C.C.that has ever been written
D.D.whatever have been written
第8题
Once the decision ____, the most important thing to do is how to carry it out.
A.has been made
B.made
C.been made
D.having been made
第9题
Were it not for her help, I _____ in serious difficulty.
A.was
B.had been
C.would be
D.have been
