— you read the words in English?—No I can’t. They are too difficult for me.A. Must B. May

问题补充：

— you read the words in English?

—No, I can’t. They are too difficult for me.

A. Must

B. May

C. Can

D. Need

答案：

A. Must

B. May

(答案→)C. Can

D. Need

解析：句意：---你会读英语单词吗？---不，我不会。他们对我来说太难了。must必须；may或许，表示许可；can能够；need需要。根据题意，故选C。