My mother worked _______ the fields. (    )

A．in

B．on

C．at

It can take people ______space. (   )

A．into

B．on

C．at

选词填空（词汇运用）
in   at   under  to   on   by   for   with
（1）What do you do ________ Sundays?   
（2）Ms Smart is on the phone ________ her friend.   
（3）Here's a book ________ you.   
（4）In Harbin, it's cold ________ winter.   
（5）The cat is ________ the chair.   
（6）Mike walks ________ school every day(每天).   
（7）Does your father go to work ________ car?   
（8）Please look ________ the bird in the tree.

My uncle is ________ holiday in Beijing.(   )

A．on

B．in

C．at

It is difficult ______me to use chopsticks. ( )

A．for

B．to

C．of