______ it rained heavily this morning, nobody in our class missed the lesson.
---Could you tell me when your father___back? ---I’m not sure now. but when he ___next week, I’ll tell you.
---____enjoyable TB program on Channel 5! ---I agree.
The firemen ____the fire as soon as they got to burning buildings.
Has he ever been heard __about his trip to the lonely island?
Children can play “trick or treat” games on ____in western countries.