I must ______ the traffic lights.A.look after B. pay attention to C. look for
上课铃响了,教师走进教室,班长应该说: A.Please come in. B.Good morning. C.Stand up.
当经介绍后认识某人时,你应该说:
晚上分手时所用礼貌用语是: A.Hi!B.Hello!C.Good night!
下午与同学见面,你应说: A.Good afternoon.B.What’s your name?C.How are you?
The box is __________ than that one. A.more heavierB.heavyerC.much heavier