《情态动词与虚拟语气》(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 考查情态动词。句意为：根据规定，学生如果想拿奖学金，任一单科成绩不得低于85分。shall用于第三人称，在条约、规定、法令等文件中表示义务或规定，意为“应，必须”。
2.I’m really very busy，otherwise I ________ certainly go there with you.
l
d
答案 D
解析 考查虚拟语气。结合前半句中的内容以及后半句中的otherwise一词可知后半句应用虚拟语气，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 考查情态动词。根据答语第二句的内容可知第二个说话人认为对方“一定”是把手机忘在家里了。
students of average intelligence ________ become top students by improving their study habits.
to t to答案 B
解析 考查情态动词。句意为：即使智力一般的学生也可以通过改进学习习惯而成为优等生。can在此处表示“能够”。
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 答语句意为：你没有必要买，因为家里还有很多。故应用needn’t have done表示本不必做而实际上做了。could have done 表示过去本可以做某事却没做;should have done表示本应该做而实际上未做;mustn’t表示禁止。
