Please . The boy is studying.
| A．not noisy | B．don’t noisy | C．not to be noisy | D．don’t be noisy |
—Is Mr. Smith over there?
—It ________ be him. He has gone to Beijing on business.
| A．can't | B．must | C．might | D．can |
-was the car invented?
--It was invented in 1983.
| A．When | B．Why | C．How | D．Who |
I enjoy playing computer games, but I can't spend too much time ________ that.
| A．in | B．on | C．for | D．to |
________ is bad for your eyes ________ TV too much.
| A．It; to watch | B．It; watching |
| C．This; to watch | D．This; watching |
She is ________ poor ________ buy that nice dress.
| A．so; that | B．too; to |
| C．to; too | D．that; so |