U1
1.plan to do sth
2.get a letter from
3.invite sb to sth
4.send sb sth=send sth to sb
5.talk to sb=talk with sb
6.at the end of
7.than sb for sth
8.the Li family=the Lis
9.arrive in/at=get to=reach
10.take sb to
11.see sb doing sth
12.see sb do sth
13.in the centre of
14.raise money
15.the history of
16.at the Summer Palace
17.enjoy doing sth
18.enjoy oneself
19.write to sb
20.have a wonderful/good/great time
中文就不打了,还有50太多了,我们老师没教那么多