题目内容
-—David has gone to Australia on business.
—Really? I ______ why he was absent from today’s meeting.
| A.am wondering | B.wonder | C.was wondering | D.had wondered |
C
解析
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题目内容
-—David has gone to Australia on business.
—Really? I ______ why he was absent from today’s meeting.
| A.am wondering | B.wonder | C.was wondering | D.had wondered |
C
解析
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