2009高考英语语法考前冲刺强化训练（五）有解析

18. Scientists say it may be five or ten years___________ it is possible to test this medicine on human patients.

A. since           B. before      C. after     D. when

19. --I can't find Mr. Smith.

--It was in the hotel___________ he stayed.

A. that         B. where         C. which     D. since

20. Our new house is  very___________ for me as I can get to the office in five minutes

A. convenient     B. comfortable     C. natural   D. helpful

21. --I don't think we have met before.

--Yes, once at a party, but we___________.

A. weren't introduced             B. didn't introduce

C. haven't introduced             D. were not introducing

22. You look so tired tonight. It is high time you_________.

• 2009高考英语语法考前冲刺强化训练（10套）（有解析）
• 2009高考英语语法考前冲刺强化训练（一）有解析
• 2009高考英语语法考前冲刺强化训练（二）有解析
• 2009高考英语语法考前冲刺强化训练（三）有解析
• 2009高考英语语法考前冲刺强化训练（四）有解析
• 2009高考英语语法考前冲刺强化训练（五）有解析
• 2009高考英语语法考前冲刺强化训练（六）有解析
• 2009高考英语语法考前冲刺强化训练（七）有解析