It is high time you _____ in bed now.
A. are
B. were
C. will be
D. would be
查看答案
The air liner from Beijing _____ at 3:00 p.m.
A. is about to arrive
B. has arrived
C. arrives
D. is going to arrive
The research laboratory is going to ______ the new type of computer to use.
A. take
B. make
C. put
D. send
How much do you think that vase _____?
A. is cost
B. used
C. was paid for
D. cost
“Come on, Peter, I want to show you something.” “Oh, how nice of you, I _____ you _____ to bring me a gift.”
A. never think/are going
B. never thought/ were going
C. didn’t think/ are going
D. hadn’t thought/ were going
微信支付 
支付宝支付