问题 选择题
It _______to John that he had left the door unlocked.
A.happened
B. occurred
C. struck
D. took place
答案

答案:B

考查句型:It occurred to sb that 使某人突然想起,句意:使约翰突然想起他没有锁门。若选C应用句型It struck sb that,故选B。

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