问题
选择题
I______ thank you too much for all your help to my son while we were away from home.
A．won’t
B．can’t
C．can
D．will
答案
答案：B
考查情态动词。所填情态动词与too 构成固定句型can’t/couldn’t …too…，意思是：再……都不为过，选B。
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