Under certain conditions, the bombardment( )produce brand-new elements never detected in nature。
发布时间:2020-12-04
A.can
B.must
C.ought to
D.need
试卷相关题目
- 1I want to go shopping,but you( )with me。
A.need go to
B.do not need go
C.need not go
D.need gonot
开始考试点击查看答案 - 2It( )about eight o'clock when I got back home because l was already dark。
A.had to be
B.musthave been
C.wasto be
D.mustbe
开始考试点击查看答案 - 3Ail the lights are off; the Smiths( )。
A.musthavegonetosleep
B.mustbegoingtosleep
C.must go to sleep
D.must gosleeping
开始考试点击查看答案 - 4John’s score on this test is the highest in the class( )。
A.hemusthavestudiedlastnight
B.hehavestudiedlastnight
C.heshouldhavestudiedlastnight
D.heoughttohavestudiedlastnight
开始考试点击查看答案 - 5Mary is wet through,She( )in the river。
A.can hawfallen
B.must have fallen
C.may fall
D.shouldhave fallen
开始考试点击查看答案 - 6( )anybody else give correct answers to these questions。
A.should
B.Can
C.May
D.Must
开始考试点击查看答案 - 7He told me I( )go and see him at any time。
A.can
B.should
C.might
D.would
开始考试点击查看答案 - 8He hurried up so that he( )get there before five o’ clock。
A.can
B.may
C.might
D.must
开始考试点击查看答案 - 9They( )holding a meeting in the classroom at this moment。
A.might be
B.can be
C.ought tobe
D.should have been
开始考试点击查看答案 - 10We( )make sure that our drinking water Is clean。
A.can
B.may
C.will
D.must
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