We often see Betty ____ the old man with his housework.
| A．help | B．to help | C．helped | D．helping |
______ important information he left for me! It’s of much ______ to me.
| A．What, use | B．What an, use |
| C．How, useful | D．How an, useful |
—Isn’t it cute?—_______. I like it very much.
| A．Yes，it isn’t | B．No，it is |
| C．Yes，it is | D．No, it isn’t. |
Please be quiet. My little child _______.
| A．go to bed | B．is sleeping |
| C．sleeps | D．going to school |
—Oh, hi, Jane!__________? — Not bad.
| A．How it is going | B．What are you doing |
| C．How is it going | D．What does she do? |
Thank you for _____ the school play.
| A．joining | B．to join |
| C．join | D．is joining |