What were you doing this time yesterday? — I ______ on the grass and drawing a picture.

Do you know what the meeting is about？ —Yes, of course. It will _____some important rules we need to know about our school.

He is an honest boy. I have no reason to _______ what he said.

Mr Lin often helps me _____ my English. [ ]

I feel tired and sleepy. — Why not stop ______?