介词/冠词填空。
1._______ present
2.Come____, please.
3.Please come ______ my birthday party.
4._______ card
5.What about ____ pencil?

用适当的介词填空。(6分)
（1）We should be good________ animals.
（2）There are all kinds________ flowers on our planet.
（3）Mary's birthday is ________May.
（4）Pandas live  ________   the southwest  ________   China.
（5）Tom often goes to the library  ________   his friends.
（6）African elephants come________Africa.

What are the pictures ?（    ）

A．about

B．in

C．on

The girl ____a red sweater is ______duty today.  (  )

A．in, on

B．in, in

C．on, in

D．on, on

What do you do ______ weekends? (   )

A．on

B．for

C．at