1 . What you have done ______________ (可能会对你的同学造成伤害). (根据汉语提示完成句子)

2 . Every time she was in trouble, she went to him for help, as he said he ________ do anything for her.

A．should	B．must
C．would	D．might

3 . ---- Where is Jack?
----He _________ football on the playground with those AFS students, but I am not sure.

A．must be playing	B．must have played
C．may be playing	D．may have played