1. Choose the correct sentence--

Why you have done this?

Why did you have done this?

Why have you done this?

Why you had done this?

2. After the hurricane, uprooted trees --- all over the ground.

were laying

were lying

were laid

was laid

3. My father insists on ---- quality materials for the construction of our new house.

use

to use

the use

using

4. My uncle arrived while I ---- the dinner.

Would cook

had cook

cook

was cooking

5. They treated me --- I were a child.

when

like

as

as if

6. When the police arrived, 'the criminal have already' escaped.

the criminal has already

the criminal were already

the criminal had already

the criminal already

7. I heard the baby ---- for this food.

cry

was crying

crying

cried

8. The doctor ----- after the patient had died.

had come

was come

was coming

came

9. A new house --- at the corner of the road.

been built

is being built

is building

building

10. The light went out while I -------

read

had read

was reading

had been reading