1.10 Don't waste any time trying to persuade him to join us .__ is no need to do so.
问题描述：
1.10 Don't waste any time trying to persuade him to join us .__ is no need to do so.
Don't waste any time trying to persuade him to join us .__ is no need to do so.
A.It B.This C.That D.There
请说明理由,
答
这个为固定句型必须用 there 类似的短语有 there isno pointin doingthere isno doubt...