— Must I come at four o’clock?
— Oh, no, you ____.
A. don’t B. mustn’t C. needn’t
Homework _____on time.
A. should done B. should do C. should be done
If I were invited to the party，I _______ a red skirt.
A. will wear B. wear C. would wear
Let’s stay at home playing basketball.
A. because of B. instead of C. because
He spent a week ____ the novel.
A. to read B. in reading C. on reading
You won’t pass the exam ______ you work harder than ever.
A. if B. when C. unless
