题目内容
If only I_____how to operate a computer as you do!
| A.had known | B.wou欤?know | C.should know | D.knew |
D
在if only引导的感叹句中,谓语动词的形式与wish后宾语从句中谓语动词的形式一样。
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题目内容
| A.had known | B.wou欤?know | C.should know | D.knew |