基本信息
从A、B、C、D四个选项中，选出可填入空白处的最佳选项。
1. -----I’m sorry to have kept you waiting.
----- ____, Bill.
A. You’re welcomeB. Go aheadC. Don’t mention itD. No problem
2. Although he is young, David has gained ____ rich experience in ____ society.
A. the; the B. a;/ C./; / D. /; the
3. -----I’ll come and see you next Wednesday.
-----Is that a ______? Don’t disappoint me, I hope.
A. decision B. request C. possibility D. promise
