21. – I’m thinking of the test tomorrow. I’m afraid I can’t pass this time.
– _______________! I’m sure you’ll make it.
A. Go ahead B. Good luck C. Cheer up D. No problem
22. I’m really tired ______Tom . He had me ________ for two hours in the rain.
A. with ; wait B. of ; waiting C. of ; waited D. with ; waited