—Whose shirt is this?
—It ______ be Li Lei’s. It is too big for him.
| A．could | B．must |
| C．might | D．can’t |
Please give me ________envelope, I want to write a letter to my father.
| A．a | B．an | C．the | D．/ |
Don’t wear these old clothes. They are ____ style.
| A．in | B．out | C．of | D．out of |
－Excuse me. Is the library open all day?
－. Only from 8 a. m to 4 p. m.
| A．Yes, of course | B．That’s right. |
| C．Sorry, I’m not sure. | D．Sorry, I’m afraid not. |
－Can I just have a try?
－Sure. It doesn’tif you give a wrong answer.
| A．matter | B．trouble | C．mind | D．care |
－Bob, have you packed yet?
－Yes, Mum.
－Look over andthat you have taken everything you need.
| A．look for | B．make sure | C．find out | D．work out |