Предлоги.
1. Mrs. Grant has bought ( to \ off \ up) seven children
2. Jane has lost her glasses and now she is looking ( for \ at \ after)
3. They got ( on \ off \ from) the bus and walked a few blocks
4. Who does this handbag belong ( to \ for \ at)
5. Take( off \ on \ of) your coats . It's warm in here.
6. Have you read any books ( of \ by) Thackeray?