In our country，students ______uniforms at school
A. wear B. put on C. dress
— Let’s play _____ football.
—That _____ good.
| A．a; sounds | B．the ; looks |
| C．/; sounds | D．an; sound |
A set of keys ____ in the library. Are they yours?
| A．is | B．am | C．are | D．aren’t |
— Where _______your books? — _______ in the bookcase
| A．is , It’s | B．is, They’re |
| C．are, it’s | D．are, They’re |
— Does David have a ping-pong ball?
—________. But he has some tennis balls.
| A．Yes, he does | B．No, he doesn't |
| C．No, he isn't | D．Yes, he is |
.Hi,Linda. This _____ my sister and those ______ my brothers.
| A．is, is | B．is, are | C．are, is | D．are, are |