Some boys ( ) running here this morning.

• was

• were

• is

• am

I ( ) doing my homework at nine last night.

• was

• were

• am

• is

Ken ( ) listening to music.

• ware

• am

• was

• are

They ( ) looking this picture.

• am

• is

• was

• were

The docter and the nurse (　　) helping each other.

• was

• is

• were

• am

A cat (　　) passing by.

• am

• was

• were

• are

They (　　) listening to music now.

• is

• was

• are

• am

(　　) he playing baseball now?

• Was

• Are

• Were

• Is

They ( ) come soon.

• do

• can

• will

• are

It will ( ) rainy tomorrow.

• is

• are

• be

• do