Zhangqiang is said ______ the experiment in the lab, but I can’t find him there. 
#92292
A
to have done
B
to do
C
to be doing
D
doing
推荐题目
Only when you are in poor health_______ realize that health is _______.
#93640
A
will you; worthless
B
will you; priceless
C
you will; priceless
D
you will; worthless
You are telling me I’m lazy. Look what a mess your room is!        
#93467
A
That’s a no – brainer!
B
Don’t be a wet blanket!
C
That is like the pot calling the kettle black!
D
Don’t pull my leg!