If the new safety system________to use, the accident would never have happened.
A.were put
B.had been put
C.should beput
D.would be put
试卷相关题目
- 1The student checked his writing carefully for fear that it________some spelling mistakes.
A.had
B.would have
C.will have
D.should have
开始考试点击查看答案 - 2George would certainly have attended the meeting if his car________.
A.didn’t break down
B.won’t break down
C.hadn’t broken down
D.wouldn’t break down
开始考试点击查看答案 - 3I’d rather you________make any comment on the issue at present.
A.don’t
B.wouldn’t
C.didn’t
D.shouldn’t
开始考试点击查看答案 - 4It is imperative that you________here in time.
A.shall arrive
B.may arrive
C.could arrive
D.arrive
开始考试点击查看答案 - 5The doctor asked that he________there.
A.not to go
B.hadn’t gone
C.not go
D.wouldn’t go
开始考试点击查看答案 - 6The flowers looked as if they________for a long time.
A.haven’t watered
B.didn’t water
C.hadn’t beenwatered
D.watered
开始考试点击查看答案 - 7Had it not been for his carelessness, David________first prize in the mathematics contest.
A.would win
B.would have won
C.will win
D.won
开始考试点击查看答案 - 8It is essential that you________ train tickets as early as possible before the Spring Festival.
A.must book
B.will book
C.are booking
D.book
开始考试点击查看答案 - 9________a postgraduate, I would at least master two foreign languages.
A.Was I to become
B.Were I to become
C.Had I become
D.I should become
开始考试点击查看答案 - 10I wish I________you in our laboratory after you grow up.
A.will meet
B.would meet
C.may meet
D.can meet
开始考试点击查看答案