Only ___________ the students exercise for more than half an hour every day.
–Tom, could you tell me _______ this morning?–Sorry, Mr. Black. My alarm clock didn’t go off and I missed the train.
–Hello, Ann speaking.–Hello, Ann. _______
While I _______ my bedroom, Joe called and said he wanted me to go boating with him.
March 22 is World Water day. Which of the following signs shows that we should save water?
–_______ lovely picture!–Yes. My little brother drew it for Mother’s Day.