—You should have thanked her before she left.—I meant ________, but when I was l

—You should have thanked her before she left.—I meant ________, but when I was l

题型:不详难度:来源:
—You should have thanked her before she left.
—I meant ________, but when I was leaving I couldn’t find her anywhere.
A.to do B.toC.doing D.to have done

答案
B
解析

试题分析:这是一组对话。上文,你应在走之前感谢她。下文,我打算这样做,但是当我要离开时去找不到她。这是动词不定式的省略形式,后面的do sth一起省略,这里必须要用mean to do而不是doing(前者是“打算做某事”,后者“意思是,意味着”,意思不对)。A的do是一个实义动词,需要加宾语sth,动词不定式的省略是到to为止的(有时表示过去要加上have),后面的do sth要一起省。
点评:为了避免重复,省略句子中的一个或几个成分,这种语法现象称为省略。不定式的省略一般有三种常见形式:省略动词原形而保留符号to 、省略不定式符号to和省略整个带to不定式。
举一反三
Not until his mother came back_______.
A.he began to do his homeworkB.had he began to do his homework
C.he had begun to do his homeworkD.did he begin to do his homework

题型:不详难度:| 查看答案
When _______a hand, one should say “Thank you” or “It’s very kind of you.”
A.offeredB.to offerC.to be offeredD.offering

题型:不详难度:| 查看答案
At the meeting place of the Yangtze River and the Jialing River________,one of the ten largest cities in China
A.lies ChongqingB.Chongqing liesC.doer lie ChongqingD.doer Chongqing lie

题型:不详难度:| 查看答案
Not until actually ________ with water shortage ________ appreciate the value of water to a region.
A.facing; one canB.faced; can oneC.faced; one cannotD.facing; cannot one

题型:不详难度:| 查看答案
Her pronunciation is as good as, if ____than, her teacher"s.
A.no betterB.not betterC.no goodD.not good

题型:不详难度:| 查看答案
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