Today is Lingling’s birthday. She is ______ a birthday party. (   )

A．have

B．haveing

C．having

用所给动词的适当形式填空。
1. The little boy wants _________(eat) a big apple now. So please_______ (bring) one to him. 
2. Tom often_________(go) to school at 7:00. Now, he________   (take) a taxi.
3. --- ______She_____( write) to her friends on Sundays?
---Yes, now she________  (write) a letter now.  
4. ---Where _______Mr. Black usually_________(run)?
---In the park. Now, he__________ (run) in the neighborhood.

用所给单词的适当形式填空。
1. Tom ___________(do) homework now.
2. I like__________(play)basketball after class.
3. Look, a little boy________ (sing) in the park.
4. I want to______(write) to her.
5. Summer is the ________(two)season in the year.

用所给的动词适当形式填空。
1. We are ____ (play) tennis.
2. What are you ______ (do)?
3. They ______(be) watching football.
4. He ______(be)______(do) the high jump.

The children are  a map of the zoo.  (    )

A．looking at

B．looking

C．watching