Mr. Brown always makes his class _______ and keeps his students _______ in class.
---It’s Tom’s birthday next Sunday. What should I get for him? ----______________
Frank _____ to see his grandma if he _____ free tomorrow.
Don’t bring food to the party. If you do, the teacher will ________ .
You shouldn’t take photos in the museum, it’s ____ the rules.
---- What was wrong with you yesterday evening?---- I ____ my homework when the light went off suddenly.