--Lily, can you help me clean the windows?--Why______? Tom is sitting there doing nothing.A.him B.me C you D her
—Must we keep the window open all the time? A. No, you mustn’t B. No, you can’t. C. No, you don’t have to.
You’d better _______ too much meat. You are much too fat. A. not eat B .eat C. not to eat
---This bag is too heavy for me. Could you please do me _____ favor? -----Sure . A. the B. an C. a
—____ —They’re English books.
—Do you know the girl ____ red? —Oh, she is my sister.