题目内容
Mary didn’t understand made her deskmate so upset all the morning.
| A.it was that | B.why it was that |
| C.how that was | D.what it was that |
D
本题考查强调句型。该题为特殊疑问句整体做understand的宾语,因此应该使用正常语序。由于made her deskmate so upset缺少主语,因此我们可以断定“被强调部分”是做主语的,因此应该使用疑问代词what。
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