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

Don't sit on the grass. It's wet.What have you got in your pocket? «Is the bank near here?» «Yes, turn right at the traffic lights». Look! There's a child on the roof. What's he doing?There are a lot of fish in this river.I usually do my shopping at the city centre.There's somebody………our door.Bill is working in the garden.Mike is working on the table.Vegetarians are people who don't eatmeat.Look out! My wife is comingI play tennis every week.Who sits in my chair?He stay with John for a few weeks until his flat's ready.   What are you doing with my coat?I sleep on Niko's sofa until I find a place of my own.If you aren't listening to the radio, why don't you switch it off?I is against my principles is against my principles.