—What will your parents do?
—They will go on a ______ visit to Beijing.
A. seven day B. seven-day C. seven-days
—butter do we need for a sandwich?
—Two teaspoons should be enough.
| A．How many | B．How much |
| C．How long | D．How far |
This kind of computers the popular.
| A．are; more | B．are; most |
| C．is; more | D． is; most |
There areteachers in that school.
| A．two hundreds | B．two hundreds of |
| C．two hundred | D．hundred of |
Some scientists believe that theremore robots in the future.
| A．will have | B．will has |
| C．will be | D．will do |
One day I_________ to Australia.
| A．went | B．will go | C．go | D．goes |