We are confident that the environment________by our further efforts to reduce pollution. (2013·辽宁，30)
#99433
A
had been improved
B
will be improved
C
is improved
D
was improved
推荐题目
---What ‘s the matter with you? --- You _____ my heart. - -- But I didn’t mean to hurt you.
#102840
A
broke
B
are breaking
C
had broken
D
have broken
Both of his parents insisted that he _______ get on well with his lessons and that he ______ given more extra classes at weekends.
#103880
A
didn’t; be
B
didn’t; was
C
doesn’t; should be
D
didn’t; would be
The computer looks old, but it _________ just half a year ago.
#104872
A
has been bought
B
will be bought
C
is bought
D
was bought
We have done things we ought not to have done and_____ undone things we ought to have done.
#103904
A
left
B
leave
C
will leave
D
leaving
—Why? Where is the key to the meeting room? —Dear me! You ______ it in the taxi!
#104446
A
had never left
B
didn’t leave
C
never left
D
haven’t left