If nothing is done ,-----the problem will become more seriou

学习 时间:2026-11-12 19:20:04 阅读:2642
If nothing is done ,_____the problem will become more serious.A.then B.or C.yet请说明你选某项的具体原因~

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2026-11-12 19:20:04

A。If。then。(如果 。。。就 。)