It has been comprehensively researched.
It is not a professional piece of work.
It deals with the subject impartially.
It does not have a list of sources.
第1题:
A、have polluted
B、is being polluted
C、has been polluted
D、have been polluted
第2题:
--Why does the Lake smell terrible?
--Because large quantities of water .
A. have polluted B. is being polluted C. has been polluted D. have been polluted
第3题:
A.couldn’t
B.couldn’t have
C.mightn’t have
D.shouldn’t have
第4题:
第5题:
第6题:
A、have sold
B、have been sold
C、has sold
D、has been sold
第7题:
My vessel is healthy and I request free pratique.What does the sentence My vessel is healthy mean?It means: ______.
A.My ship has been maintained
B.My ship has been painted
C.All my crew members have been vaccinated
D.All my crew members have no quarantinable diseases
第8题:
(A) had been
(B) has been
(C) would have been
(D) would be
正确答案:A
解答参考:A.虚拟语气题。在动词wish后跟从句表达一个不能实现的愿望时,表示与现在事实相反从句用一般过去时,表示与过去事实相反从句用过去完成时。【译文】他没参加晚会,但他的确希望他能参加。
第9题:
第10题: