改错题。
1. It can cleans the streets.
___________改为____________
2. People washed clothes on hand.
___________改为____________
3. We still have lot of time to play.
___________改为____________
4. Now we use a wash machine.
___________改为____________

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 ___________.

—Who can help me? I can’t carry all the books. (    )
—Sorry, I am_____ the phone.

A．on

B．in

C．at

They took photos ______ the Great Wall. (  )

A．for

B．of

C．on

My father let me do many things ______ myself.  (  )

A．/

B．at

C．by