To compete more effectively with others，it is time that university students

题型：不详难度：来源：

To compete more effectively with others，it is time that university students to study
abroad after graduation．

A．tried

B．are trying

C．try

D．will try

答案

解析

略

举一反三

They ______ the train to Beijing．Otherwise, they would have returned home．

A．need have caught	B．must have caught
C．must catch	D．may catch

题型：不详难度：| 查看答案

Persons under 16 not be employed in our country．

A．shall

B．can

C．may

D．will

题型：不详难度：| 查看答案

—You ought to have called him yesterday．
—Yes，I know I ．

A．ought to

B．have to

C．should have

D．must have

题型：不详难度：| 查看答案

8. There’s no light on; they _____ be at home.

A．can’t

B．mustn’t

C．needn’t

D．shouldn’t

题型：不详难度：| 查看答案

20. When a stick is partly in a glass of water, it looks ________ it were broken.

A．even though

B．although

C．as if

D．so that

题型：不详难度：| 查看答案