Unit 1 Good friends
1. be loyal to 对……忠诚
2. It is + adj.（表批评或赞扬） + of sb. to do sth. = sb. + be adj. to do sth. 某人做某事是……
e.g. It is kind of you to say so.= You are kind to say so.
3. A good friend is someone who makes me happy.
make /find +object. +adj. e.g. make our classroom clean; find it useful make sb. do (sth.) = have sb. do sth. = get sb. to do sth.
4. argue with / against sb. argue about / over / on sth. argue with sb. about / over sth.
argue sb. into/out of +n. 说服某人做/停止做某事
5. solve the problem 解决问题 solution （名词）
