If human beings had been a bit less greedy and cruel, more birds and animals _____dying out.
A.ought to avoid
B.could have been avoided
C.should have avoided
D.might have avoided
试卷相关题目
- 1—Don't forget to come to my birthday party tomorrow. —_______.
A.I don't
B.I won't
C.I can't
D.I haven't
开始考试点击查看答案 - 2What he said didn't mean to hurt Mary, but he felt ________ it differently.
A.he could express
B.he could have expressed
C.he would express
D.he must have expressed
开始考试点击查看答案 - 3Why didn't you tell me there was no meeting today? I______ all the way here through the heavy snow.
A.needn't have driven
B.can't have driven
C.mustn't have driven
D.shouldn't have driven
开始考试点击查看答案 - 4Why didn't you tell me there was no meeting today? I _____ all the way here _____the heavy snow.
A.needn't have driven;through
B.can't have driven;across
C.mustn't have driven;through
D.shouldn't have driven;cross
开始考试点击查看答案 - 5I ______ pay Tracy a visit, but I'm not sure whether I will have time this Sunday.
A.should
B.might
C.would
D.could
开始考试点击查看答案 - 6The teacher agreed to the suggestion that the students ________ two weeks to prepare for the exam.
A.give
B.should give
C.be given
D.would be given
开始考试点击查看答案 - 7Robert wishes that he ________ business instead of history when he was in university.
A.studies
B.studied
C.has studied
D.had studied
开始考试点击查看答案 - 8— There's someone outside. Who it be ? — It ______ be Mary. She promised to come over at 8: 00.
A.must
B.can
C.shall
D.need
开始考试点击查看答案 - 9You can't imagine that a top student ______ have failed in the college entrance examination.
A.might
B.need
C.should
D.would
开始考试点击查看答案 - 10Keep up good state of mind even if you __________ fail plenty of times.
A.must
B.will
C.can
D.should
开始考试点击查看答案