1 . —Mom, the white socks are too small for me now!
—Well, let’s go and buy a new ________.

A．one

B．pair

C．that

D．ones

2 . These oranges are too small. I want some big __________ (one).

3 . —Is this mobile phone ________?
—No, it isn’t. I am just thinking of buying ________.

A．your, it

B．your; one

C．yours; it

D．yours; one

4 . The weather in Dandong is ________ than ________ in Hainan in winter.

A．colder; it

B．hotter; it

C．colder; that

5 . Lisa lost her ping-pong bat, so she needs to buy a new ________.

A．one

B．it

C．ones

D．those

6 . My daughter doesn’t like the color of the sweater. She wants that ________.

A．it

B．ones

C．one

D．pair

7 . —Where did you spend your winter holiday?
—Sanya. The temperature there is much higher than ________ in Gaoyou.

A．it

B．this

C．that

D．the one

8 . —Did you find your pencil-case this morning?
—No, I didn’t find ________, but I’ve bought a new ________.

A．it, it

B．one, that

C．it, one

D．one, it

9 . —Nick, I lost my pen and I couldn’t find ________ anywhere.
—There are many pens in that box. Just take ________.

A．it, one

B．one, it

C．one, one

10 . —This pair of trainers is too small for me. Can I try on another ________?
—Of course.

A．it

B．this

C．that

D．pair