A child ________ parents are dead is called an orphan．

A．which

B．whose

C．where

D．with

I was watching TV in the room ________ I heard a knock on the door．

A．while

B．when

C．as soon as

D．until

He is considering ________ abroad for further study．

A．going

B．of going

C．to go

D．go

I saw him ________ he got off the bus．

A．as

B．while

C．because

D．during

That is the girl ________ the boss praised for her excellent work．

A．when

B．whose

C．what

D．who

________ does she watch TV?Only once a week．

A．When

B．How soon

C．How often

D．How

He had often made his little sister ________, but today he was made ________ by his little sister．

A．cry; to cry

B．to cry; cry

C．crying; to crying

D．to cry; to cry

Do you still remember the house ________ you lived ten years ago?

A．that

B．which

C．in which

D．when

He suddenly fell ill, ________ prevented him from going to school．

A．that

B．which

C．what

D．it

China has hundreds of islands, ________ is Taiwan．

A．the largest of which

B．of which largest

C．which the largest

D．in which the largest