— The air pollution is terrible.
— It will be worse ________ we take action to protect the environment.
| A．if | B．unless | C．until | D．when |
—The sweater is _______ for me, Dad.
—Well, let’s buy a big one this afternoon.
| A．long | B．short | C．small | D．old |
—_______ is the girl?
—She’s my friend, Helen.
| A．What | B．How | C．Who | D．Where |
The brown trousers _______ 70 dollars. And that white pair of trousers _______ 80 dollars.
| A．is; is | B．is; are | C．are; are | D．are; is |
—Joe, our daughter’s birthday is next Sunday.
—I want _______ her a computer.
| A．get | B．to get | C．gets | D．getting |
Alice is in the music club. She is good _______ singing.
| A．to | B．with | C．for | D．at |