---Is the notebook Carla’s?---It _____be hers. It has Mary’s name on the cover.
| A．could | B．might | C．must | D．can’t |
He is honest boy. And he is student in our class.
| A．a, better | B．an, best |
| C．the, the best | D．an, the best |
--- ______ do you play softball after school?
--- Twice a week.
| A．How long | B．How soon |
| C．How often | D．How much |
--- Is the Changjiang River in the world?
--- No, it isn’t.
| A．very long | B．longer |
| C．the longest | D．longest |
Tom often tells lies, but they always make us .
| A．believe | B．to believe |
| C．believes | D．believing |
David often helps Sandy ___ her Maths, he shares his school things___ her.
| A．to, to | B．with, to |
| C．with, with | D．to, with |