People in Korea _______bow when they meet for the first time.
| A．supposed to | B．are suppose to |
| C．are supposed | D．are supposed to |
The computer still works well, we _____ buy a new one at the moment.
| A．have to | B．must |
| C．don’t have to | D．don’t need |
Today’s home is so difficult that I still need _________ minutes.
| A．a bit | B．a couple of |
| C．few | D．a bit of |
---I think communication by email is better and much easier. Do you think so?
---__________, I agree with you.
| A．In some way | B．In the way |
| C．In some ways | D．By the way |
--He’s never visited the USA before, ________ he?
--___________. He plans to go there again next summer.
| A．has, No, he hasn’t. | B．has, Yes, he has. |
| C．is, No, he isn’t. | D．hasn’t, Yes, he has. |
Don’t get off the bus __________ it stops.
| A．after | B．until | C．when | D．since |