We are going camping．Would you like to________us？
| A．join |
| B．join in |
| C．take part in |
| D．attend |
--Writing is a skill, it looks easy but itbe difficult.
--No wonder I'm not so good at writing. I need to practice a lot.
A. must
B. can
C. should
--Psychologists think it's bad tobecause thinking too much about oneself may cause depression.
--It seems that it is possible to cure depression by focusing on other people.
A. pay attention to
B. be paid more attention
C. be paid more attention to
--The world's population is getting larger and larger. It's a serious problem.
--Yes. Scientists will have tonew waysfood problem.
A. think of, to solve
B. think over, of solve
C. think about, about solving
--I know not lung about the history of the telephone. Could you tell me?
--Yes. In 1876.
A. when the telephone invited
B. who invented the telephone
C. when the telephone was invented
--Beijing is really an old city and there're many places of interest.
--So it is. Why not stay here fortwo days?
A. other
B. others
C. another