Your father is sleeping. You'd better ___________.
| A．not to wake him up | B．not to wake up him |
| C．not wake up him | D．not wake him up |
—How many students are there in your school? —About_______ students, I think.
| A． two thousand | B．two thousands |
| C．two thousand of | D．two thousands of |
Tom is ______ of the six boys.
| A．strong | B．stronger | C．the strongest | D．more strong |
——Must I take the medicine every day?—No, you _______.
| A．mustn’t | B．don’t |
| C．don’t have to | D．can’t |
—I looked for you in the office, but I could’t find you.
—Oh, I in the library
| A．read | B．reading |
| C．is reading | D．was reading |
—What’s your son’s ? —He prefers drawing.
| A．business | B．hobby | C．director | D．Body |