题文
The teacher said it was necessary________a foreign language well.
| A.for us to learn |
| B.of us learning |
| C.for us learning |
| D.of us to learn |
The teacher said it was necessary________a foreign language well.
| A.for us to learn |
| B.of us learning |
| C.for us learning |
| D.of us to learn |
试题篮
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