选词填空
1. How much ________ (is; are) this book?
2. This is ________ (an; a) email from Tom.
3. I want ________ (send; to send) a postcard to my friend.
4. This postcard ________ (has; have) a panda on it.
5. You can write a letter on ________ (paper; a paper).

—Nice to meet you. (  )
—Nice ______ meet you, ______.

A．too; to

B．to; too

C．to; two

I give a gift _____ my mother _____ show my love. ( )

A．to …too…

B．to…to ...

C．too … to…

I want _______ some ping­pong balls. ( )

A．buy

B．to buy

C．buys

—What are you doing?(   )
—I am trying to________the bike.

A．riding

B．ride

C．rides

D．rided