2009年高考英语第二轮热点专题复习系列
1. Shut the door after you _____ you go out.
A. after B. as if C. when D. while
2. Travelling is difficult _____ you’re carrying two small children and a heavy suitcase.
A. unless B. until C. before D. when
3. _____ we ever meet again I hope he remembers to thank me.
A. If and when B. When and where C. If and what D. When and how
