I really don’t know _______
| A．how to do | B．what to do it |
| C．how to do it | D．which to do it |
—Does Mary know ____?
—Yes, she knows ____.
| A．yours; me | B．your; us | C．you; us | D．yours; us |
These are my pants. His ____ yellow.
| A．is | B．am | C．are | D．/ |
—Is the girl in red Jim’s sister?
—____
| A．Yes, she is. | B．Lucy’s. | C．No, Jim’s sister. | D．Yes, Lucy’s. |
Please help Jack ____ his bike. It’s missing(不见了).
| A．finds | B．gives | C．find | D．give |
—I’ll help you find him, Mary.
—____
| A．Not, it doesn’t. | B．That’s right. | C．Thank you. | D．You’re welcome. |