单项选择
21. ---We missed you at this morning’s meeting,Diana.
---¬_________,but if I had’nt had to meet a friend ,I would have been there.
A. Me, too B. I ’m sorry C .Never mind D. Thank you
22. The police were trying to _____ where the drug dealers were _____ it suddenly dawned upon them that they might be hidden somewhere 10 miles within the border between the two countries.
A. come out; when B. make out; while C. figure out; when D. think out; since
23. Foreign visitors will be amazed ______ the art work of three cowboys on horseback ______ a crowd of cows back home along a road on the Rocky Mountains on one broad maple leaf.
