I need one more stamp before my collection ______.A．had completed 　B．completesC

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I need one more stamp before my collection ______.

A．had completed	B．completes
C．has been completed	D．is completed

答案

解析

主句是将来时态（包括含有情态动词），时间或条件状语从句中用现在时态。

举一反三

The teacher tells his students to read the novel over and over again until they ______ it.

A．understand	B．understood
C．have understood	D．have been understood

题型：不详难度：| 查看答案

----- Do you know our town at all?　　　
　----- No, this is the first time I ______ here.

A．was

B．have been

C．came

D．are coming

题型：不详难度：| 查看答案

I first met Lisa three years ago. She _____ at a shop at the time.

A．has worked	B．was working
C．had been worked	D．had worked

题型：不详难度：| 查看答案

According to the time table , the train for Beijing______ at seven o’clock in the evening .

A．leaves

B．has left

C．was left

D．will leave

题型：不详难度：| 查看答案

By the end of this year, we _____ 2000 English words.

A．will learn	B．would learn
C．have learned	D．will have learned

题型：不详难度：| 查看答案