3. Ask Ss to role-play the conversation in groups.

VIII. Language points

1. It must belong to Carla.

belong to 意为"属于"，它一般不用于

进行时态和被动语态。如：

The hair band belongs to Anna. (√)

The hair band is belonging to Anna. (×)

The hair band is belonged to Anna. (×)

此外, belong to sb. 通常可以和名词性物主代词或名词所有格(一般是's 所有格)互相转换。如：

The blue jacket belongs to him / Jerry. →

The blue jacket is his / Jerry's.

2. Well, where did you last put it ?

last adv. 上次; 最近的一次; 最后一次

last除用于句末外, 还常置于句子中间。

e.g. When I last saw her, she was working in Shanghai.

我上次见她时, 她在上海工作。

When did you see him last?

你最近见到他是什么时候?

3. I attended a concert yesterday so it might still be in the music hall.

辨析 join/take part in/attend

join指加入某个党派, 团体组织等, 成为其中一员, 意为" 参军, 入党, 入团 "。

e.g. join the Army/the Party/the League

　　　　join sb. in (doing) sth. 和某人一道做某事

e.g. Will you join us in the picnic? 你参加我们的野炊吗？

join in多指参加小规模的活动如"游戏, 比赛", 口语中常用。

e.g. Join in the basketball game. 参加篮球赛。

take part in 指参加会议或群众性活动, 着重说明主语参加该项活动并在活动中发挥作用。

　　e.g. We'll take part in the sports meeting/club.

take an active part in 积极参加......