A. sing
B. is singing
C. are singing
D. were singing

A. have
B. having
C. is having
D. are having

A. read a book
B. did my homework
C. was watching TV
D. am cooking dinner.

A. makes
B. will make
C. is making
D. made

A. I come
B. I've come
C. I'll come
D. I'm coming

A. Do; read
B. Are; read
C. Are; reading
D. Are; looking

A. sing; listen
B. is singing; is listening
C. sing; are listening
D. is singing; are listening

A. play
B. plays
C. played
D. is playing

1. Tom and Jim _________ (do) their homework at the moment.
2. Tim usually _________ (get) up at six o'clock.
3. Be quick! Li Lei _________ (wait) for us at the school gate.
4. Han Meimei ________ (like) watching TV. She _________ (watch) TV every evening.
    But now she ________ (not watch) TV. She _________ (get) ready for her final exam.
5. It's six o'clock. My teacher ________ (work) in his office.

1. Listen! Who             (sing) in the next room?
2. Jane             (not watch) TV every day.
3. They             (pick) pears on the farm last week.
4. Shall I             (close) the door?
5. I'll go to the park if it             (not rain) tomorrow.
6. I'd like you             (meet) my parents.
7. Would you help me             (carry) the box?
8. I don't like             (sit) on Tom's right.
9. Don't keep the boys             (wait) so long.
10. What do you say when someone             (meet) you for the first time?