It _____ about twenty years since CCTV ____ to broadcast English programs.A．has - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

It _____ about twenty years since CCTV ____ to broadcast English programs.

A．has been; begun

B．is; began

C．is; has begun

D．was; began

答案

解析

试题分析：考查固定句型。固定句型：it is/has been 一段时间since从句。句意：自从…以来。已经一段时间了。Since后面使用过去时，指从过去开始到现在，前面可以使用一般现在时，也可以使用现在完成时。句意：自从中央电视台播放英语节目到现在已经有20多年了。故B正确。
点评：固定句型：it is/has been 一段时间since从句。句意：自从…以来。已经一段时间了。Since后面使用过去时，指从过去开始到现在，前面可以使用一般现在时，也可以使用现在完成时。

核心考点

试题【It _____ about twenty years since CCTV ____ to broadcast English programs.A．has 】；主要考察你对一般现在时等知识点的理解。[详细]

举一反三

When she ______ back tomorrow, I’ll tell her all about the news.

A．will come

B．comes

C．had come

D．is coming

题型：不详难度：| 查看答案

When the old man recalled the old hard times, he always said, “ It was the first time that I ____ a full meal. I remembered it forever.”

A．have eaten

B．had eaten

C．were eating

D．ate

题型：不详难度：| 查看答案

.People in developed countries are supposed ______ more healthy food before than what they have today.

A．to be had

B．to have

C．had

D．to have had

题型：不详难度：| 查看答案

______ of danger in the street at night, she had to go home with a friend ____ her.

A．Warning; following	B．Having warned; following
C．Warned; followed	D．Having been warned; following

题型：不详难度：| 查看答案

I have been working here since I _______ this new position.

A．offered

B．have offered

C．was offered

D．had been offered

题型：不详难度：| 查看答案

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