When Peter __________ the car door, he found the key left in his car. So he had

题型：不详难度：来源：

When Peter __________ the car door, he found the key left in his car. So he had to call for help.

A．opened

B．was opening

C．was to open

D．had opened

答案

C

解析

试题分析：句意：当皮特刚想打开门时，发现钥匙忘在了车里，因此他不得不求助。因为皮特他没有钥匙，想打开门还未打时，表将来，只有be to do 可以表将来，故选C。
点评：本题难度适中。动词的时态是高中语法知识点的重难之一，需要考生掌握各种时态的用法，有分析理解复杂的句子结构及语境的能力。
即学即练：She said a new bookshop_______ in the high street.
A. opened   B. was opening   C. was to open   D. had opened
解析：D。句意：她说在商业大街上有新开了一家书店。