south ； add to ；fall asleep ； tour；see to；luck； on one‘s own；pick up；seventy；care；
1、I 'll go to Tom's party this evening.Will you ______my cats?
2、Australia is the largest English-speaking country in the ________part of the world.
3、My grandmother is 70 years oid.Today is her_________birthday.
4、Piease____________the waste paper you threw on the fioor just now.
5、Last night the oid man found it difficult___________because there was a loud noise upstairs.
6、Linda thought she had lost her purse.But___________,she found it two days later in her another bag.
7、All the other students had gone home after school,so Jackson had to clean the classroom__________.
8、The guide told the_______to take the things they needed with them.
9、There are more and more private cars in our city.This_________the traffic and pollution.
10、Jim is too__________to pass the final exam.