---_____ are these red trousers?
--- 10 dollars.
| A．How many | B．How old | C．How | D．How much |
You’d better ________late next time .
| A． not to be | B．not be | C． won’t be | D． don’t be |
Our classroom is very dirty ,let’s _____it_______.
| A． tidy ; up | B． take ; up |
| C． pick up | D． put up |
Whose book is that ?
It _______belong to Linda .Look !Her name is on it .
| A． must | B． need | C．have to | D． can |
________I smoke here ?
----No. you can’t.
| A． Need | B．May | C． Shall | D． Should |
.---______you swim ?
----Yes, but I’m not good at swimming .
| A． Can | B． May | C． Need | D． Must |