(·陕西高考)I thank you too much for all your help to my son while we were away from home.

问题补充：

(·陕西高考)I thank you too much for all your help to my son while we were away from home.

A. won

B. can

C. can

D. will

答案：

A. won

(答案→)B. can

C. can

D. will

解析：选B考查情态动词的用法。句意：当我们不在家时，你对我儿子的帮助，我对你怎样感谢也不过分。can ... too much 表示“怎样……也不过分”。