6 .Once environmental damage _______,it takes many years for the system to recover.

题目

6 .Once environmental damage _______,it takes many years for the system to recover.
A.has done
B.is to do
C.done
D.is done
7 .Although punctual himself,the professor was quite used ______late for his lecture.
A.to have students’
B.for students’ being
C.for students’to be
D.to students’being
8 .We shall appreciate _________ from you soon.
A.being heard
B.hearing
C.to hear
D.having been heard
9 .________ was not the way the event happened.
A.Which the press reported
B.That the press reported
C.What did the press report
D.What the press reported
10 .He was accused ____ stealing from the shop.
A.with
B.in
C.of
D.at

答案

6.D 条件状语从句,一旦环境破坏发生,系统就要花很多年去恢复.7.B be used doing sth习惯于做某事 意思是:尽管教授自己是严格守时的人,但是他都习惯了学生们在他的课时迟到.只不过中间多了for students’ 8.B appreci...