—Would you like to join me for a quick lunch before class?— ______, but I promised Nancy to go out with her.
A small car is big enough for a family of three you need more space for baggage.
We can communicate people in every part of the world the Internet.
Stephen Hawking believes that the earth is unlikely to be the only planet life has developed gradually.
The plan just because people were unwilling to cooperate (合作).
I stayed there for only two days but felt like two weeks.