—Are these your notebooks?
— . They’re her notebooks.
| A．Yes, it is. | B．Yes, they are. |
| C．No, they aren’t. | D．No, it isn’t. |
Be quick, ___________ we’ll be late for the meeting.
| A．and | B．but | C．so | D．or |
________ useful advice you gave us!
| A．How a | B．What an | C．What | D．How |
—Did you enjoy the party yesterday?
–-________, so I left early.
| A．It was funny | B．I enjoyed it |
| C．It was boring | D．I haven’t been there |
If we don’t study hard, we will in our class.
| A．take the lead | B．fall behind |
| C．be the first | D．be successful |
My grandfather devoted all his time ______ poor children.
| A．to help | B．helping |
| C．helped | D．to helping |