《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。句意爲: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、法令等文件中表示義務或規定,意爲“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爲對方“一定”是把手機忘在家裏了。
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。句意爲:即使智力一般的學生也可以通過改進學習習慣而成爲優等生。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 答語句意爲:你沒有必要買,因爲家裏還有很多。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。