Check understanding Present continuous tense

They _____ books.

• am reading

• is reading

• are reading

The man is _____ (drive) a taxi slowly.

• driving

• driveing

The white fish is _____ (swim).

• swimming

• swiming

Some men _____ on the road.

• are walking

• am walking

• is walking

Dogs are _____ (run) quickly.

• runing

• running

My mom is _____ (make) a cake.

• making

• makeing

A bird _____ on the tree.

• am singing

• are singing

• is singing

He _____ his homework.

• am doing

• are doing

• is doing

It ____ right now.

• are raining

• is raining

• am raining

His dog is _____ (lie) on the floor.

• lying

• lieing