What do you often do ___ school? (   )

A．in

B．at

C．On

The animals are   . Do you want to help them? （   ）

A．in danger

B．at danger

C．dangerous

选词填空
take weekend  exciting   by  how
1.My parents and I are going to Shanghai for the _______.  
2._______ are you going? Will you go by air?
3.We’ll go _______ train this time. The train leaves Beijing in the evening and arrives in Shanghai the following morning.
4.You’d better take the plane to Shanghai. It’ll ____ about 2 hours.
5.I enjoy traveling by train. It’ll be very ___________.

I usually come to school _____ bus but sometimes ______ foot.（  ）

A．by; by

B．on; on

C．by; on

D．on; by

What do you eat ________ the Spring Festival. (    )

A．of

B．at

C．in