状语从句
 让步状语从句
1.(2013·四川卷)He is so busy.He cannot afford enough time   with his son ________he wants to.
A.even if            B.as if
C.because                                                        D.before
解析: 句意为:他那么忙。他抽不出足够的时间来陪儿子,尽管他想去陪他。本题考查让步状语从句。A.尽管;B.好像;C.因为;D.在……之前。
答案: A
2.(2013·辽宁卷)One can always manage to do more things,no matter________full one’s schedule is in life.
 A.how                                                             B.what
C.when                                                                D.where
解析: 句意为:一个人总能设法做更多的事情,无论他生活中的时间安排得有多满。考查状语从句。no matter how引导让步状语从句。
答案: A
 时间状语从句
3.(2013·陕西卷)I have heard a lot of good things about you________I came back from abroad.
 A.since                                                              B.until 
C.before                                                              D.when
解析: 句意为:自从我从国外回来,我听到了很多关于你的好消息。考查状语从句。空格前的句子使用了现在完成时,空格后是过去时,符合since“自从……(至今)”的用法。
答案: A
4.(2013·山东卷)________I have to give a speech,I get extremely nervous before I start.
 A.Whatever                                                      B.Whenever
C.Whoever                                                         D.However
解析: 句意为:无论何时我必须演讲,在开始前都会感到特别紧张。本题考查状语从句。空格处的引导词在这儿引导让步状语从句,根据句意答案应该是B。