Вопрос по английскому языку:

какие правильные предлоги места нужно поставить,подскажите пожалуйста!

in on at

Don't sit………the grass. It's wet.

What have you got ………your pocket?

«Is the bank near here?» «Yes, turn right………the traffic lights».

 Look! There's a child………the roof. What's he doing?

There are a lot of fish………this river.

I usually do my shopping………the city centre.

There's somebody………our door.

Bill is working………the garden.

Mike is working………the table.

подскажите правильный вариант PresentSimpleилиPresentContinuous очень прошу!

Vegetarians are people who………meat. 

A) don't eat B) are not eating

Look out! My wife……….

A) comes B) is coming

I………tennis every week. 

A) play B) am playing

Who………in my chair?

A) sits B) is sitting

He………with John for a few weeks until his flat's ready. 

A) stay B) is staying

What………with my coat?

A) do you do B) are you doing

I………on Niko's sofa until I find a place of my own.

A) am sleepig B) sleep

If you………to the radio, why don't you switch it off?

A)aren't listening B) don't listen

I never do anything I………is against my principles. 

A) feel B) am feeling