----There are sixty students in our class, and _________of us are boys.
----Wow! You have forty girls.
| A．one four | B．one third |
| C．two fifths | D．two thirds |
You will have nothing to do this evening, ?
A．will you B．won’t you C．don’t you
The Internet makes the world become .
A．bigger and bigger B．more and more C．smaller and smaller
—Only I can work out the problem in our class.
—you are!
A．How clever B．What clever C．What a clever
The workers when he to the workplace.
A．were working, was getting B．worked, got C．were working, got
The farmer keeps pigs on his farm.
A．hundreds of B．two hundreds C．hundred of