1. ______ I got back, I found my mother cooking for me. A. When B. Before C. Since D. Although
2. There aren’t many tickets left for the concert, you’d better _______ that you got one today.
A. make sure of B. make a decision C. make sure D. make plans 3. We will________ the City Park next Sunday morning. A. clean up B. look up C. give up D. set up
4. ---Linda, I called you this morning, but nobody answered the phone. --- I am sorry. I ________ football with my friends then. A. play B. played C. am playing D. was playing 5. ---I didn’t see you at the meeting yesterday. Why?
--- I _________ for an important telephone call at that moment. A. wait B. waited C. am waiting D. was waiting
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