You shouldn’t （) your time like that, Bob; you have to finish your school work tonigh

A.aren't you

B.shouldn't you

C.wouldn't you

D.don't you

John, you ______ play with the knife, you ______ hurt yourself.

A) won't; can't B) mustn't; may

C) shouldn't; must D) can't; shouldn't

A.hadn’t you

B.shouldn’t you

C.didn’t you

D.wouldn’t you

You shouldn't () your time like that, Bob; you have to finish your school work tonight.

A. cut

B. do

C. kill

D. kick

A.didn’t you

B.shouldn’t you

C.wouldn’t you

D.hadn’t you

You shouldn't joke with him, since he is a ______ (change)person．