4. An idea suddenly hit me: "Why don't we put our music together?" 我突然想到:"我们为什么不把音乐放在一起呢?"
点拨 • hit作动词时,表示使某人突然意识到,指一种突然的认识或理解,常用于"An idea/answer/... hits sb..."或"It hits sb that..."句型中。hit为不规则动词,过去式为hit。
The way to the problem hit me in the middle of the night. 我在半夜突然想到了解决这个问题的方法。
• Why don't we/you +...? = Why not +...? 为什么不……呢?
Why don't we ask the policeman over there? = Why not ask the policeman over there? 我们为什么不问问那边的警察呢?
▷迁移
王伟正在剪纸,突然他想到:"我为什么不做一个巨大的剪纸并把它分享在网上呢?"
Wang Wei is doing paper-cutting. Suddenly an idea : " make a huge paper-cutting and share it online?"

4. hits him; Why don't I

5. I decide to take part in it with Grandpa this year. 我决定今年和爷爷一起参加。
点拨 take part in 参加，通常表示参加群体性活动，并在其中发挥重要作用。
【辨析】join、join in 与 take part in

▶迁移
（1）你会参加英语晚会吗？
Will you the English party?
（2）你会和我们一起吃晚饭吗？
Will you us for dinner?

5. (1) take part in/join in (2) join

6. It feels great to enjoy our hobby together.
一同享受我们的爱好感觉太棒了。
点拨 It feels+adj.+to do sth 做某事感觉……，此结构中的it是形式主语，真正的主语是后面的不定式短语to do sth。
It feels relaxing to listen to soft music before going to bed. 睡前听轻柔的音乐感觉很放松。
▶迁移
（1）学一些新东西感觉好极了。

learn something new.
（2）一起唱歌感觉好极了。

6. (1) It feels great to
(2) It feels great to sing together.