Dad is _______ an email _______ the computer. (    )

A．writeing; in

B．writeing; on

C．writing; in

D．writing; on

用所给词的适当形式填空。
ring    cry    but   come   watch
1. My father is working on the computer, but my brother starts to ________.
2. My mother is cooking dinner, but the bell ________.
3. “Come in，please!” I say. My friend Lucy ________ in.
4. Mr Smart is reading a book and Mrs Smart ________ TV.
5. Lin Tao is doing his homework, ________ the phone rings.

The shop assistant is ________ a dress to a lady. (   )

A．buying

B．making

C．selling

D．getting

正确形式填空
1. She ______ (go)to school every day.
2. Pat ______(brush) her teeth _____(two)a day.
3. Look! The boy is ______(run) in the corridor.
4. You should _____(help) others.
5. Mary is ________(throw) the rubbish in the bin.

Five girls are ___________ the high jump. (    )

A．doing

B．does

C．do

D．to do