— do you know so much about the UFO?
—I usually get the information by surfing the Internet.
| A．How | B．What |
| C．Which | D．Where |
---- My mother is ill in hospital?
---- _________.
| A．I don’t think so. |
| B．Oh, she is unlucky. |
| C．No problem. |
| D．I’m sorry to hear that. |
---- Do you know Jack well?
---- Certainly, we _________ friends since ten years ago.
| A．were | B．have made | C．have become | D．have been |
The box is too heavy for me _________.
| A．carrying | B．carries | C．carry | D．to carry |
It _________ rain this afternoon, but I am not sure.
| A．will | B．can | C．must | D．may |
_________ the help of man-made satellites, we can know what the weather will be like
in the next few days.
| A．Under | B．With | C．Using | D．By |