12. I do well in playing football, _______. (我妹妹也行。)A. so my sister does(×)B. so does my sister(√)

　　Li Lei is really a football fan. --- _______. (確實這樣.) A. So is he(×) B. So he is(√)

　　[析] “so+be動詞/助動詞+主語”的倒裝結構表示前面所述情況也適用于后者，意為“……也是這樣”;“so+主語+be動詞/助動詞”的陳述結構表示對前述情況的肯定，意為“……確實如此”。

　　19. 例--- He didn’t go to school yesterday, did he?-- _______, though he didn’t feel very well.

　　A. No, he didn’t (×) B. Yes, he did (√)

　　例--- Don’t you usually come to school by bike?-- _______. But I sometimes walk.

　　A. No, I don’t (×) B. Yes, I do (√)

　　[析] 習慣上英語中的yes意為“是的”，no意為“不”，但在“前否后肯”的反意疑問句或否定疑問句中，yes意為“不”，no意為“是的”。

　　20.---- Excuse me, is the supermarket far from here?---- No，it's about _______.

　　A. 7 minutes walk B. 7 minute walk C. 7 minutes' walk D. 7 minute's walk

　　答案為C。本題考查名詞所有格用法。當名詞的復數(shù)以-s結尾時，則只需要加“'”即可，則“7分鐘的距離”為“7 minutes' walk”。

　　21. You can not imagine how much I ______ on this dress. Is it beautiful?

　　A. paid B. took C. cost D. spent

　　[剖析] 答案為D。本題考察四個表“花費”的動詞辨析。主語為人，且和介詞on搭配的動詞是spend。

　　22. ---- Do you know _____ university student who is talking with Joe?---- Yes， she，s my cousin, Kate.

　　A. a B. an C. the D. /

　　[剖析] 答案為C。university雖然以元音字母u開頭，但其前若使用不定冠詞時，則要用a.不過此題中不能使用不定冠詞，而是特指和Joe說話的那個大學生，故要選the。

　　23. The number of giant pandas is getting ______ because their living areas are becoming farmlands.

　　A. less and less B. larger and larger C. smaller and smaller D. fewer and

　　fewer

　　[剖析] 答案為C。句意為“大熊貓的數(shù)量越來越少因為他們的生存空間正逐漸變成農(nóng)場”。本題中四個選項都是“比較級+ and + 比較級”的結構，表示“越來越……”。主語為number，只能和large或small搭配。而結合句意可判斷答案為C。

　　24. Be careful when you come _______ the street，because the traffic is very busy

　　at the moment.A. across B. behind C. between D. over