题目内容
Do you know _______ in Japan?
| A. when nuclear(核) accidents happened |
| B. when did nuclear accidents happen |
| C. when nuclear accidents happen |
| D. when do nuclear accidents happen |
A
此题重点考查宾语从句的时态和语序问题;不管哪种句式充当宾语从句都要用陈述句语序,因日本的核泄漏事件发生在过去,故用过去时。
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