The teacher told Jack _______ off the light when he left the classroom.
| A． |
turn |
B． |
turning |
C． |
to turn |
There is ______ university in the east of the city and ______ university is big and modern.
| A．a; the | B．the; a | C．the; an | D．an; the |
—Mom, this is my friend, David. — .
| A．I don't know | B．Nice to meet you |
| C．You're good | D．Here you are |
Let’s play ____ basketball.
| A． / | B．the | C． a | D．an |
I don’t have a soccer,______ my friend Tom does.
| A．and | B．but | C．with | D．or |
— Is Helen your sister? — Yes , ______.
| A．she’s | B．he is | C．he’s | D．she is |