2. 外语
  3. In vain ______ to get in touch with the Embassy.

In vain ______ to get in touch with the Embassy.

admin2012-01-05  73
问题 In vain ______ to get in touch with the Embassy.
选项 A、they tried
B、tried they
C、did they try
D、they have tried
答案C
解析 考查倒装句的用法。in vain表示否定的意思，类似地，no, little, hardly, seldom等置于句首时句子要部分倒装，即把助动词或情态动词放在主语之前。在此句中，主语为第三人称复数，时态为过去时，助动词应为did，故选C。
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