Harry， are you free next week？
． I'll have a lot of things to do．（ ）
| A． |
It's quite full for me |
| B． |
I'd love to |
| C． |
I'm free |
| D． |
It's very relaxing for me |
Yuan Longping is very creative． We all look up to_____．（ ）
A．itB．himC．her
We can't see_____sun at night．（ ）
A．aB．anC．the
A lot of trees ____________ every spring in Yiyang city． （ ）
A．plantB．is planted
C．are planted
Could you please tell me ____________ I can buy some stamps？
Yes． There is a post office on Center Street． （ ）
A．whyB．whereC．when
Whose volleyball is this？
It ___________ be Linda's． She loves volleyball． （ ）
A．mustB．can'tC．needn't