present simple tếnse

He ............................a doctor now.

• is

• are

• was

• were

• he is singing a song

• They singing a song

• They are sing a song

• They sing a song every day

He is good at .......................................

• climb a tree

• climbing a tree

• climbing the rock

• walking

........ you  know that cows can go upstairs , but they can't go downstairs.

• Do

• Does

• Did

• Are 

Dolphins ............................in the sea in families.

• lives

• lived

• live

• living

we ...........................dressed at 7 0'clock everyday

• get

• getting

• gets

• got

The children ........................in the school yard.

• are

• is

• was

• be

this .................my house.

• are

• is

• am

• were

i ......................tall and thin.

• is

• are

• be

• am

Peter .........................to school in the morning.

• go

• to go

• goes

• going