—easy work it is!—If you work harder, it’ll get .
| A．What a; easiest | B．What; easier |
| C．How; harder | D．How a; easier |
Did you watch Lucy _______ yesterday?
| A．danced | B．to dance | C．dance | D．dancing |
This book _______ Lucy’s . Look! Her name is on the book cover（封面）.
| A．must be | B．may be | C．can’t be | D．mustn’t be |
You can’t play with your rabbit ______ you finish your homework.
| A．because | B．while | C．after | D．until |
— ______ is it?
— It’s orange.
A.What B. Whose C.What color