1 . —Did you stay at home________last night?
—Yes. My sister went to see fireworks with my parents.

A．in fact

B．on duty

C．by yourself

2 . He did the work all by himself.

A．already

B．together

C．alone

D．lonely

3 . My little sister is afraid to stay at home alone.

A．sometimes

B．lonely

C．all the time

D．by herself

4 . — These days, teenagers often have to do what they ________ to.
— It’s not good for their independence. They need to think________.

A．tell; by themselves	B．are told; of their own
C．are told; on their own	D．tell ; for themselves

5 . —Let me help you to carry the box. —No, thanks. I can do it by _______.

A．me

B．my

C．mine

D．myself

6 . Child should learn to do things         themselves .

A．with

B．on

C．by

D．in

7 . The boy did his homework with the help of his father in the past. But now he can do it alone.

A．for himself

B．on himself

C．by himself

D．with himself

8 . —Do you often help your cousin with his English?
—No. He learns English _______.

A．by himself

B．for himself

C．with himself

9 . —At the age of 3, Mozart could play the piano by _________.
—He was a born musician.

A．he

B．his

C．himself

10 . No one taught ________ English. He learned it _________.

A．him; by himself	B．his; by himself
C．him; for himself	D．he; by himself