—John was heard ________ just now. What happened?
—People was telling a joke.
| A．to cry | B．cry | C．to laugh | D．laugh |
Things made by hand are usually more expensive than _ produced in factories.
| A．these | B．this | C．that | D．those |
一 Have you finished your homework yet?
-- No, not yet. I think it'll take me half an hour.
| A．another | B．other | C．others . | D．the other ' |
--Do you think students should be allowed to do their homework with music on?
--. If so, they can't concentrate on the study.
| A．1 agree | B．1 think so | C．I disagree | D．I have no idea. |
Which of the following means “can be recycled"?
-- Hello, this is Jack. Mary I speak to Tom?
-- Sorry, he isn't in at the moment. If he back, I'II ask him to call you back.
| A．come | B．comes | C．have come | D．came |