7. 玩得高兴的几种表达法：

enjoy oneself　　　　 have a good time

　　　　　　　　　　　　　　 have a nice time

　　　　　　　　　　　　　　 have a great time

　　　　　　　　　　　　　　 have a wonderful time

　　　　　　　　　　　　　　 have a pleasant time

　　　　　　　　　　　　　　 have a happy time

6. no matter if

　　 引导让步状语从句

　　 No matter if you listen to me, I will tell you how to play the game.

　　 No matter if you like the job, you must do it well.

　　 (1)if既可引导宾语从句，也可引导条件状语从句。

　　 What shall we do if it rains tomorrow?

　　 If I have enough money next year, I’ll go to Japan.

　　 (2)whether宾语从句，可同if互换

　　 if用于口语，whether多用于书面语，如果是：

　　 A. 与不定式连用。

　　 B. 做介词的宾语从句

　　 C. 和or或or not连用

　　 只能用whether.

　　 He didn’t know whether to go or to stay.

　　 She isn’t interested in whether you like the plan or not.

5.

　　 in: 两地是所属关系

　　 on: 两地比邻接壤关系

　　 to: 两地不属于同一范围，强调不在同一行政区内。

　　 Nanjing is in the east of China.

　　 Japan is to the east of China.

　　 North Korea is on the northeast of China.

　　 be可以用stand或lie表示。

4. Could you please do sth.

　　 Could / Would you please …? 动词原形

　　 Could / Would please do sth…? 动词不定式

　　 Could you please turn down the TV set?

　　 Would you like to go with me?

3. try努力、尝试

　　 We should try it again.

　　 try to do.

　　 I’ll try to learn Japanese.

　　 Let’s try to find out some information about it.

　　 try one’s best. 尽某人最大的努力

　　 try on 试穿、试戴

　　 try out 试验

2. decide

　　 (1)decide to do / that clause

　　 They decided to buy a new TV set.

　　 They decided that they would buy a new TV set.

　　 I decided not to go.

　　 She can’t decide which to take.

　　 (2)decide + n + to do sth. 使某人决定，下决心

　　 What would decided you to do so?

　　 (3)decide on / upon.

　　 I decided on the blue coat.

　　 We decided on spending the holidays by the sea.

1. come on

　　 (1)come on “过来、快”等，用于祈使句。

　　 Come on! We are going to be late for school

　　 come on, don’t say any more.

　　 (2)随后、跟随

　　 You’d better go now. We’ll come on later.

　　 (3)(夜晚、季节)到来(雨、雪)开始降落、发生

　　 Spring comes on. The trees turn green and the flowers start to come out.

　　 When night comes on, it becomes cold and dark.

　　 I feel a cold coming on.

　　 (4)进行、进展、发展

　　 How’s your English coming on?

　　 How’s your drawing coming on?

　　 (5)出场、播放

　　 He is coming on later.

　　 There is a very good play coming on tomorrow.

　　 What time does the news come on?

6. Please tell me who (whom)we have to see.

5. Do you know what time the plane leaves?

4. Do you know where we can stay on the island?