用方框中所给词或词组的正确形式填空，每个词或词组只用一次。
be different from; help... with; take the subway; think of; get to; look after; move; have a picnic; stand for; grow up
1. My mother was out, so I had to ________ my little sister at home.
2. What about ________ in the park on Sunday?
3. Miss Gao often ________ to work.
4. The weather in China__ ____that in America.
5. The twins were born in New York, but they________ in London.
6. He ________ school at 7:30 every day.
7. -What do you ________the Chinese people?
-They are very friendly.
8. Jim, let's ________ the stone, it's dangerous on the road.
9. UN________ the United Nations.
10. She often ________ me ________ my English.