—I think we should give a hand to the elderly when they fall onto the ground.— ___________. Everyone needs help when they are in trouble.

---Don’t you feel cold, Tim? You wear such a jacket in a day at -5℃.---___________．I’m boiling.

(2013·高考山东卷)—This is a really lively party.There’s a great atmosphere，isn’t there?—________.The hosts know how to host a party.

---Mom, we are going to Boao this weekend.--- ________.

— How many of them do you want to act in the play?—_______ , and still a large number needed!