What are you _____?(   )

A．do

B．does

C．doing

---What are they doing?
---They're the paper.

A．cut

B．cutting

C．cuting

Danny is  pictures. (   )

A．takes

B．takeing

C．taking

用词的适当形式填空。
【小题1】Asia has the ________(large) population.
【小题2】Africa is the _______ (hot) continent in the world.
【小题3】There was a little note. It _____ (say), “Thank you.”
【小题4】Santa Claus is_______ (finish) his travels around the world.
【小题5】There are all ______ (kind) of cakes in the restaurant.

Twenty years ago, he didn’t ________ English. But he is ________ English now. (   )

A．learnt; learnt

B．learns; learning

C．learn; learning