I'm always nervous when traveling when I travel by air.

Travelling

He couldn't afford to buy the car.

The car

That restaurant is dirty that no one wants to eat there

It is such 

The architect has drawn plans for an extension to the house.

Plans

The mechanic serviced my car last weekend.

I

Although his both legs were broken, he managed to get out of the car before it exploded.

Despite his

I don't find it difficult to get up early in the morning

I am used to

" What are you doing" She asked me

She wondered

Nêu đặc điểm, khí hậu của môi trường nhiệt đới gió mùa    

how long is it since they bought the house?

When

You know a bit about cars but I know more.

You don't

The rain began to fall during my walk in the country.

While

It was only when I looked the room that I realized I hadn't turned of the cooker.

Not until

The sea was too rough for the children to go swimming.

The children

Mary rang hours and hours.

It is