My mother worked _______ the fields. (    )

A．in

B．on

C．at

----When do you go to bed? (   )
---- I sometimes go to bed _____ night.

A．on

B．at

C．in

根据句意写单词。
【小题1】It’s your ____ to clean the classroom today.
【小题2】The school is ____ the right, next to the park.
【小题3】Please ____ left ____ the fourth crossing.
【小题4】Could you tell me the way ____ Beijing Road?
【小题5】Do you want to have a cup of tea ____ a glass of juice?

英汉连线。
1. go on a trip

A．在清晨 2. in the morning

B．旅行 3. see you later

C．购物 4. in the afternoon

D．打乒乓球

5. go shopping E. 在下午
6. play ping-pong    F. 等会儿见

看图，选出与图相对应的句子或对话，把序号填在(   )内。
1.   （_______）   2.  （_______）
3.  （_______）

A．——Mom, where is my ball? 
——Look, It's under the chair.

B．The car is on the box. 

C．Look, the bus is in my bag.