1."You must give up fishing!" my friends say.
“你可別再去钓鱼了！”我的朋友们说。
知识点1：复习must的用法：
1) We must obey orders.
我们必须服从命令。
2) must be 肯定是：We must be very tired after working a whole day.
工作了一天你肯定非常累了。
知识点2：1) give up 放弃；认输；戒掉；不再做：give up smoking 戒烟；give up drinking 戒酒；give up eating 节食
2) give oneself up= surrender to 投降
The suspects gave themselves up.
这些嫌疑犯投降了。
2) (口语）What gives? =What’s wrong? =What’s the matter?
发生什么事了？
2.Instead of catching fish, they catch old boots and rubbish.
他们往往钓不到鱼，却钓上来一些旧靴子和垃圾。
知识点：“instead of+名词”意思是“代替某人/某物”。
I did this work instead of my brother.
我替我弟弟完成了这份工作。
Instead of being a doctor, he joined the army.
他原本是要当一名医生的，结果却去参军了。
He was watching TV instead of doing homework.
他本应该做作业，结果却在看电视。
特别注意：1) instead of在句子中的位置可前可后；
原句可变为：They catch old boots and rubbish instead of catching fish.
2) instead of后面一定要接名词、代词或动名词。
