题目内容
You can go out, _________you promise to be back before 11 o'clock.
| A.as far as | B.so far as | C.when | D.so long as |
D
解析
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题目内容
You can go out, _________you promise to be back before 11 o'clock.
| A.as far as | B.so far as | C.when | D.so long as |
D
解析