СP 3

They ...writing the test when I came.

If it ..., we will go for a walk.

I want to ..., it is too long.

I am very busy tomorrow. I am afraid I ... to help you aboyt the house.

This book ,,, many times, it is very interesting.

What subject were you good ... when studying at school?

What ...at this time yesterday, I wonder?

All students look ... their winter holidays, am I right?

People ... walk on grass, it is forbidden in the botanical garden.

Yesterday when we were watching TV, somebody ... at the door.