—Look！Here comes the bus and I have to go now.Thank you for coming to see me off.
—Goodbye，and________！
| A．congratulations | B．cheer up | C．all the best | D．go ahead |
She is _____ newcomer to _____chemistry but she has already made some important discoveries.
| A．the; the | B．the; / | C．a; / | D．a; the |
—I have to go home now. Daddy and Mummy must be waiting for me.
—OK. .
| A．Take it easy | B．Come on |
| C．You’re welcome | D．See you |
A large number of people are _____, and how can the local government ignore the problem?
| A．at work | B．in work | C．out of work | D．after work |
A lot of praises have come from those _____ patients because they are getting better after taking the medicine.
| A．peaceful | B．hopeful | C．successful | D．grateful |
The kind lady devoted all her life to _____ those homeless children.
| A．help | B．helping | C．be helping | D．being helped |