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
試題分析：句意：當(dāng)皮特剛想打開門時，發(fā)現(xiàn)鑰匙忘在了車?yán)�，因此他不得不求助。因�(yàn)槠ぬ厮麤]有鑰匙，想打開門還未打時，表將來，只有be to do 可以表將來，故選C。
考點(diǎn)：考查動詞的時態(tài)的用法。
點(diǎn)評：本題難度適中。動詞的時態(tài)是高中語法知識點(diǎn)的重難之一，需要考生掌握各種時態(tài)的用法，有分析理解復(fù)雜的句子結(jié)構(gòu)及語境的能力。
即學(xué)即練：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：她說在商業(yè)大街上有新開了一家書店。