You had better _____your hands before meads.
| A．wash | B．to wash | C．not wash | D．will wash |
My book is here. Where is _____?
| A．you | B．your | C．yours | D．yourself |
I’m ____ you’re right.
| A．sure | B．know | C．good | D．think |
The girl in red is __________ sister.
| A．John’s and Jeff’s | B．John and Jeff’s |
| C．John’s and Jeff | D．John and Jeff |
Please ____me at chinalin@sina.com.
| A．call | B．ask | C．e-mail | D．help |
—I want a white T-shirt. Can I have a look? — Yes. ________
| A．Here are you. | B．Here you are. |
| C．This is it. | D．This it is. |