I have no idea ________ or not he has finished the work.A．if B．that C．whether D．

题型：不详难度：来源：

I have no idea ________ or not he has finished the work.

A．if

B．that

C．whether

D．which

答案

解析

略

举一反三

"Do you know ________ " "His father is a doctor."

A．what is his father	B．who is his father
C．what his father is	D．who his father is

题型：不详难度：| 查看答案

Is this ________ we met each other two years ago

A．place

B．place in which

C．where

D．place which

题型：不详难度：| 查看答案

It ________ Bob drives badly.

A．thinks that

B．is thought what

C．thought that

D．is thought that

题型：不详难度：| 查看答案

We all know the truth ___ there are air, water and sunlight there are living things.

A．where

B．wherever

C．that

D．that wherever

题型：不详难度：| 查看答案

They discussed ________ they could settle the problem without others" help.

A．if

B．that

C．what

D．whether

题型：不详难度：| 查看答案