题文
It is obvious ________ to the students they should get well prepared for their future.
| A.as |
| B.which |
| C.whether |
| D.that |
推荐试卷
It is obvious ________ to the students they should get well prepared for their future.
| A.as |
| B.which |
| C.whether |
| D.that |
试题篮
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