21. -----What about having a rest?
----- __________________
A. Good idea B. Help yourself C. Go ahead D. Me, too.
22. – You are always thinking of yourself! You kept me waiting for two hours.
-- I am sorry that you _____think so.
A. would B. can’t C. should D. needn’t
23. We’d better give out the books to _____ hasn’t got one in our class.
A. whomever B. anyone C. those D. whoever
24. --“I’m thinking about the test tomorrow. I’m afraid I can’t pass it this time.”
-- “ _______ ! I’m sure you will make it.”
A. Go ahead B. Good luck C. No problem D. Cheer up