I don’t know ____ that you stay here. A．how long it isB．how long is itC．it is h

题型：不详难度：来源：

I don’t know ____ that you stay here.

A．how long it is

B．how long is it

C．it is how long

D．is it how long

答案

解析

略

举一反三

It was _____ that caused him to serve dinner an hour later than usual.

A．we being late	B．our being late
C．we were too late	D．because we were late

题型：不详难度：| 查看答案

----Tomorrow is a holiday. Why are you doing your homework?
-----I am doing these exercises now so that I won’t have _____ on Sunday.

A．it

B．them

C．for

D．to

题型：不详难度：| 查看答案

I saw Tom in the meeting-room, so he attend the meeting.

A．surely

B．did

C．does

D．really

题型：不详难度：| 查看答案

---- Who’s that? ---- ____ Professor Li.

A．That’s

B．It’s

C．He’s

D．This’s

题型：不详难度：| 查看答案

____ was Jane that I saw in the library this morning.

A．It

B．He

C．She

D．That

题型：不详难度：| 查看答案