题目内容
. The time is not far away ________ modern communications will become widespread in China’s vast countryside.
| A.as | B.when | C.while | D.before |
B
解析
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题目内容
. The time is not far away ________ modern communications will become widespread in China’s vast countryside.
| A.as | B.when | C.while | D.before |
B
解析