By the time Jack returned home from England, his son _______ from college.A．gr - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

By the time Jack returned home from England, his son _______ from college.

A．graduated

B．has graduated

C．had been graduating

D．had graduated

答案

解析

试题分析：句意：当杰克从英国回家为止，他的儿子已经从大学毕业了。by the time …当……的时候，……
通常引导一个时间状语从句，表示“到……的时候”主句则表示在此时间之前某个事件已完成。值得注意的是，当从句用过去时时，主句通常用过去完成时。选D。

核心考点

试题【By the time Jack returned home from England, his son _______ from college.A．gr】；主要考察你对一般现在时等知识点的理解。[详细]

举一反三

Yangzhou high school ___________ since 1902.

A．has come into existence

B．has been existed

C．has been in existence

D．began to exist

题型：不详难度：| 查看答案

A new kind of drug ___ ___ to cure H7N9 bird flu by the scientists and they are hopeful that they will succeed in a couple of weeks.

A．has been developed

B．is being developed

C．is developing

D．has developed

题型：不详难度：| 查看答案

By the time I see you again, I _______ from that school.

A．have graduated

B．graduated

C．will have graduated

D．graduate

题型：不详难度：| 查看答案

—Ann is in hospital.
—Oh, really? I ________ know. I ________ go and visit her.

A．didn"t; am going to

B．didn"t; will

C．don"t; will

D．don"t; would

题型：不详难度：| 查看答案

----Are you a teacher?
----No, but I ______ in Harbin No. 3 High School for 3 years.

A． had taught

B．has taught

C．teach

D．taught

题型：不详难度：| 查看答案

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