题文
It suddenly occurred to him___ he had left his keys in the office.
| A.whether ; |
| B.where |
| C.which |
| D.that |
推荐试卷
It suddenly occurred to him___ he had left his keys in the office.
| A.whether ; |
| B.where |
| C.which |
| D.that |
试题篮
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