---Is this schoolbag yours? ---No. Mine is ________this one.
| A．as small as | B．as big as |
| C．the same size as | D．not the same size as |
_______ homework, we do their homework on Sunday.
| A．As for | B．As to | C．As of | D．As from |
---How often are the Olympic Games held？ ---_____four years.
| A．Every | B．Each | C．In | D．For |
The ice isn’t ______________ to skate on.
| A．thin enough | B．enough thin | C．thick enough | D．enough thick |
---Are you going to ____________ your friends to your party?
---Yes, sure.
| A．like | B．want | C．make | D．invite |
---Must I clean the floor now?
---__________. It is too dirty.
| A．Yes, you needn’t | B．No, you needn’t |
| C．No, you mustn’t | D．Yes, you must |