Bob did everything than the other three students. Our teacher chose him to be our monitor.
| A．much careful | B．much carefully |
| C．much more careful | D．much more carefully |
These _______ her parents. That _______ her sister.
| A．is, are | B．is, is |
C．are, are | D．are, is |
---What’s this _____ English? ---It’s an eraser.
| A．in | B．of | C．on | D．at |
Two and four is________.
| A．five | B．six | C．seven | D．eight |
--- What’s this, Xiao Hong?
— It’s _____ orange.
| A．a | B．an | C．/ | D．the |
Must we sweep the floor right now? No, you _______. You can do it later.
| A．aren’t | B．mustn’t |
C．don’t | D．don’t have to |