Before the first nonstop flight made in 1949,it______necessary for all planes to - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

Before the first nonstop flight made in 1949,it______necessary for all planes to land for refueling.

A．would be

B．has been

C．had been

D．would have been

答案

解析

本题时间状语从句为一般过去时，主句的情况是在从句之前，是“过去的过去”，因此用过去完成时。

核心考点

试题【Before the first nonstop flight made in 1949,it______necessary for all planes to】；主要考察你对一般现在时等知识点的理解。[详细]

举一反三

I wonder if she______us,but I think if she______us we will be able to complete the task ahead of time.

A．helps;helps	B．will help;has helped
C．helps;will help	D．will help;helps

题型：不详难度：| 查看答案

The population of the city ________from less than half a million in 1949 to over two million.

A．have increased

B．has increased

C．have improved

D．has improved

题型：不详难度：| 查看答案

—Didn"t the teacher see him entering the classroom?
—No, he_______ on the blackboard.

A．was writing	B．had written
C．wrote	D．is writing

题型：不详难度：| 查看答案

—Which hotel are you in?
—I____ in a hotel. A friend I met on the train ____ to put me up for a couple of nights.

A．haven’t stayed; has offered	B．am not staying; offered
C．am not staying; is offering	D．do not stay; offers

题型：不详难度：| 查看答案

I _______ in a foreign company for five years. Still, I don’t regret giving up the well-paid job.

A．worked	B．have worked
C．was working	D．had worked

题型：不详难度：| 查看答案

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