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關(guān)閉窗口 9. The coffee is wonderful! It doesn’t taste like anything I ______ before.
A. was having B. have C. have ever had D. had ever had
分析：C。與before連用，用現(xiàn)在完成時(shí)。再說(shuō)，此處沒(méi)有一個(gè)過(guò)去時(shí)間或動(dòng)作比較，是不能用過(guò)去完成時(shí)的。
10. My brother is an actor. He ______in several film so far.
A. appears B. appeared C. has appeared D. is appearing
分析：C。因so far(到目前為止)通常與現(xiàn)在完成時(shí)連用。
11. The country life he was used to ______ greatly since 1992.
A. change B. has changed C. changing D. have changed
分析：B。since 1992這類(lèi)時(shí)間狀語(yǔ)通常與現(xiàn)在完成時(shí)連用。主句主語(yǔ)是the country life，句中he was used to是省略了關(guān)系代詞that的定語(yǔ)從句。
12. Although medical science ______ control over several dangerous diseases, what worries us is that some of them are returning.
A. achieved B. has achieved C. will achieve D. had achieved
分析：B。用現(xiàn)在完成時(shí)表示結(jié)果或?qū)ΜF(xiàn)在的影響。又如：The streets have been swept free of leaves. 街上的落葉已打掃干凈。
13. — ______ leave at the end of this month.
— I don’t think you should do that until ______ another job.
A. I’m going to; you’d found B. I’m going to; you’ve found
C. I’ll; you’ll find D. I’ll; you’d find
分析：B。第一空用be going to表示打算或意圖，第二空用現(xiàn)在完成時(shí)暗示對(duì)方應(yīng)該“先找到新工作，然后再辭職”。注：第二空若不用現(xiàn)在完成時(shí)，用一般現(xiàn)在時(shí)也可以。
14. This machine ______. It hasn’t worked for years.
A. didn’t work B. wasn’t working C. doesn’t work D. isn’t working
分析：C。此處講的是機(jī)器目前的狀況，故用一般現(xiàn)在時(shí)。此題所利用的干擾時(shí)態(tài)是其后的現(xiàn)在完成時(shí)。
15. My friend, who ______ on the International Olympic Committee all his life, is retiring next month. (www.yywords.com)
A. served B. is serving C. had served D. has served
分析：D。由于是下個(gè)月將要退休，說(shuō)明現(xiàn)在還在職，據(jù)此可排除A和C; 再根據(jù)句中的all his life可知要用現(xiàn)在完成時(shí)。
16. I ______ in
A. lived B. was living C. have lived D. had lived
分析：A。許多同學(xué)一看到后面的have never regretted為現(xiàn)在完成時(shí)，同時(shí)選項(xiàng)C也是現(xiàn)在完成時(shí)，結(jié)果濫用時(shí)態(tài)呼應(yīng)，將答案誤選C。其實(shí)，此題的最佳答案是A。句中but后的句子告訴我們，說(shuō)話(huà)者現(xiàn)在已搬回了上海，所以他住在倫敦應(yīng)屬于過(guò)去的事情，故應(yīng)用一般過(guò)去時(shí)。
17. We ______ our new neighbors yet, so we don’t know their names.
A. don’t meet B. won’t meet C. haven’t met D. hadn’t met
分析：C。后文我們還不知道鄰居的名字，這說(shuō)明我們還沒(méi)有見(jiàn)面，故用現(xiàn)在完成時(shí)。
18. Danny ______ hard for long to realize his dream and now he is popular.
A. works B. is working C. has worked D. worked
分析：C。表示從過(guò)去一直待續(xù)到現(xiàn)在的一段時(shí)間，要用現(xiàn)在完成時(shí)。
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