Modal verbs Should, May, Might

I think you ... spend less money on clothes. They're too expensive.

I think you ... spend much money because you are not very rich.

Your eyes are very tired. You ... spend so much time in front of the computer.

Where are the keys? - They ... be in your bag. You always put your keys there.

Your friend's story ... be true. He always lies.

There's a lot of work to do. We .. finish all the work until tomorrow.

The sky is grey. It ... snow.

... I tell her the truth or ... I say nothing?

You are often late to work. You ... get up early.

You are often late to work. You ... get up earlier.

I have drunk 3 cups of coffee. I ... fall asleep.

The task isn't difficult. I ... do it at once.