Question tags

The main goal of urban planning is providing a healthier environment for city dwellers, ...........?

• is it

• isn't it

The pollution-related problems have to be solved quickly, .......?

• haven't they

• don't they

Everything's been planned carefully for their wedding, ............?

• hasn't it

• have they

These are devices to monitor heating systems, ........?

• aren't they

• aren't these

Your sister has never been out after 9 p.m., ............?

• has she

• hasn't she

This house has been equipped with a sensor that monitors the flow of air, ...............?

• hasn't this

• hasn't it

Let's start our discussion on building the solar-powered lighting system, ...............?

• will we

• shall we

There is some problems with the cooling system, .............?

• isn't there

• isn't they

Please give me a hand, ...........?

• will you

• shall we

I think these are your papers, ..........?

• do I

• are they

• don't I

• aren't they