--Would you mind my sitting here for a moment?
--______.
| A．Yes, please. | B．Yes, of course. | C．No, not at all. | D．Surely. |
A small car is big enough for a family of three you need more space for baggage．
| A．once | B．in case | C．if | D．unless |
We can communicate people in every part of the world the Internet．
| A．with; with | B．with; through |
| C．through; through | D．through; with |
Stephen Hawking believes that the earth is unlikely to be the only planet life has developed gradually．
| A．that | B．where | C．which | D．whose |
The plan just because people were unwilling to cooperate （合作）．
| A．broke down | B．pulled down | C．turned down | D．put down |
I stayed there for only two days but felt like two weeks．
| A．it | B．what | C． when | D．then |