----Are Mr. and Mrs. Wang living alone in the house? ----Yes, altough they have three sons, of them live with their parents.
---- What was wrong with you yesterday evening? ---- I ____ my homework when the light went off suddenly.
---- Your coffee smells good! ---- It’s from Canada. Would you like ____ ?
--- Could you tell us ______? ---- About two weeks.
The workers can ____ the waste things ____ something useful.
---- _____ ? ---- I am 1.7 metres tall.