Question

—What will you do next Sunday?
—Maybe do some shopping, for I ______go to school on Sunday．

A．mustn’t

B．shouldn’t

C．don’t have to

D．had better not

Answer 1

C

考查情态动词。mustn’t 禁止，shouldn’t 不应该，don’t have to 没有必要，had better not 最好不，句意：下周日你干什么？也许买东西，因为在周日我不必去上学。所以选C。