----__________?
----They are listening to music.
A.What do they do?
B.What are you doing?
C.What are your grandparents doing?
ZhangPeng ____ his homework now.
A. did B. does C. is doing
I was very grateful ____ the dog.
A. with B. for C. to
Did Lucy ____ the noodles yesterday ?
cooking B. cook C. cooked
I played the piano ____.
A. tomorrow B. last weekend C. every day
What ____ you usually do on the weekend ?
A. are B. do C. did