Question

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

1. A.
   opened
2. B.
   was opening
3. C.
   was to open
4. D.
   had opened

Answer 1

C
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。
考点：考查动词的时态的用法。
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。