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Topic1: Why all the smiling faces?
1. How are you doing?=How are you? 你好吗？
2 .invite sb. to do sth= ask sb. to do邀请某人做某事
3. prepare for sth准备某事（准备时间较长思想上的准备）：prepare for the exam
sth for sb.为某人准备…：prepare food for Lily
to do sh准备做…：I prepare to go hiking.
4.say sth to sb.对某人说….： say thanks/hello/goodbye to Peter
5.系动词+adj. 系表结构
1. How are you doing?=How are you? 你好吗？
2 .invite sb. to do sth= ask sb. to do邀请某人做某事
3. prepare for sth准备某事（准备时间较长思想上的准备）：prepare for the exam
sth for sb.为某人准备…：prepare food for Lily
to do sh准备做…：I prepare to go hiking.
4.say sth to sb.对某人说….： say thanks/hello/goodbye to Peter
5.系动词+adj. 系表结构
