1 . For girls, we have skirts ________ purple for only twenty dollars.

A．for

B．on

C．in

D．with

2 . —Do you study English ________ asking the teacher for help?
—Oh, yes. It helps a lot.

A．by

B．with

C．for

D．in

3 . He teaches himself English ________ watching English movies.

A．for

B．with

C．in

D．by

4 . Thank you ________ your help.

A．to

B．for

C．at

D．with

5 . It’s only 15 yuan! I sell it ________ a good price.

A．at

B．with

C．in

D．on

6 . —Would you like some coffee?
—Yes, I prefer coffee ________ sugar.

A．with

B．for

C．to

D．of

7 . —Will your sister go to Tsinghua University to study next term?
—Yes. She is a talented girl. She was able to read and write ______ the age of 5.

A．on

B．in

C．at

D．with

8 . We are doing better in English ________ our teacher’s help.

A．without

B．within

C．with

9 . You should drink some hot tea ________ honey if you have a sore throat.

A．with

B．of

C．in

D．for

10 . You must be careful_________ falling stones.

A．of

B．with

C．at

D．for