Question

It is no good ___________ to come now. He is busy.

It is no good ___________ to come now. He is busy.
　　A. if you ask him B. to ask him C. asking him D. that you ask him

Answer 1

选C
固定搭配it is no use/good/bad doing sth
固定搭配there is no use/good/bad doing sth
释义It is no good(a person's) doing (某人)即使做……也是没有用(通常是把括号里的 a person's省掉了的,这里只是为了让大家知道为什么后面接的是doing.)
It would be no good (my) taking up the matter now. 我现在即使提起到那个问题也是没有的。
It’s no good crying now! 现在哭也没用了！
题中这句话意思是：你叫他现在来时没有用的,因为他很忙(意思就是叫了也白叫,他太忙 根本没法来)

Answer 2

正确答案 C
It is no good doing 做…是没有用的

Answer 3

A
他在忙，你现在叫他过来不好（不妥当）

Answer 4

A

Answer 5

选择D
这是一个复合语句