用适当的短语完成句子。
hear of, drop out of school, look after, look out, go abroad, be different from
1. His family is very poor,so his parents want him to______.
2. In order to improve his foreign language, Li Lei______last month.
3. ______!The car is coming.
4. Her character is mine.She is______introvert (内向), but I am the opposite.
5. Do you______Coco, she is a very famous singer.
6. Please______your grandparents,they are too old.
