—Look, there_____ many birds around here, but now we hardly see them. What a pity!—Yeah! The air pollution has caused the problem!

--- Does Mike play basketball every day?--- He ________ that way, but now he plays only on Sunday.

 She looked at the professor and wondered where she_______ him.

The girl was often heard _______ happily in her room.

 --- Are you worried when your son often plays computer games? --- Yes. I think playing too many computer games ______ on teenagers.