— How often do I need to feed the dog?
— It ________ food every day, or it will be hungry.
| A．must give | B．must be give |
| C．must gave | D．must be given |
Old Smith is a lonely man. He doesn’t have a person ______
| A．to talk | B．to talk with |
| C．talking | D．talking with |
The old man feels __________ to walk by himself．
| A．good enough | B．enough good |
| C．enough well | D．well enough |
I found a cat _____ on the sofa when I came into my bedroom.
| A．laying | B．lay | C．lying | D．lied |
He _______ English by making word cards. But now he _____ it by listening to tapes.
| A．used to learn is used to learn |
| B．is used to learn used to learn |
| C．is used to learning used to learn |
| D．used to learn is used to learning |
What _______ news it is! Nobody _____ it.
| A．a surprising believes | B．surprising believes |
| C．a surprised believe | D．surprised believe |