He wants ______ to school in Canada. （　）

A．to go

B．go

C．going

It is difficult _______ English well. (  )

A．learning

B．learns

C．to learn

It's fun _______on the snow. (    )

A．to walk

B．walks

C．walk

用所给单词的正确形式填空。
1．All the gifts __________ (be) small.
2．Yesterday I ___________ (go) shopping with my mother.
3．Lynn ________________________ (bring) a Christmas tree to school tomorrow.
4．I want __________ (give) my family something special.
5．Now we are ______________________ (put) up the Christmas tree.

Maomao tells me ______ some vegetables. ( )

A．buy

B．to buy

C．buying