《情態動詞與虛擬語氣》(一)
is required by the rules that students ________ get grades not lower than 85 in any subject in order to get the scholarship.
l d
答案 C
解析 考查情態動詞。句意為：根據規定，學生如果想拿獎學金，任一單科成績不得低於85分。shall用於第三人稱，在條約、規定、法令等檔案中表示義務或規定，意為“應，必須”。
2.I’m really very busy，otherwise I ________ certainly go there with you.
l
d
答案 D
解析 考查虛擬語氣。結合前半句中的內容以及後半句中的otherwise一詞可知後半句應用虛擬語氣，所以用would。
3.—God!My cell phone is missing.
—You ________ have left it at home.I heard you telephone our daughter in the bathroom.
l
d d
答案 B
解析 考查情態動詞。根據答語第二句的內容可知第二個說話人認為對方“一定”是把手機忘在家裡了。
students of average intelligence ________ become top students by improving their study habits.
to t to答案 B
解析 考查情態動詞。句意為：即使智力一般的學生也可以通過改進學習習慣而成為優等生。can在此處表示“能夠”。
5.—Look，I’ve bought some bread，including your favorite flavor.
—You ________ any because we still have plenty at home.
ld have bought
d have bought
n’t have bought
n’t have bought
答案 C
解析 答語句意為：你沒有必要買，因為家裡還有很多。故應用needn’t have done表示本不必做而實際上做了。could have done 表示過去本可以做某事卻沒做;should have done表示本應該做而實際上未做;mustn’t表示禁止。
