1. Раскройте скобки в Present Perfect Tense. Запишите предложения ПОЛНОСТЬЮ. While I ____ (to copy) the exercise, my friends ____ (to describe) a picture.
2. When we came in, the children ____ (to clean) their desks.
3. We met her at the bus stop. She _____ (to wait) for the bus.
4. Some of the children ____ (to ski) while other children ____ (to skate).
5. Everybody ____ (to have) a lot of fun.
6. When we came the family ___ (to get) everything ready for Christmas.
7. Bob and Helen _____ (to decorate) the Christmas tree.
8. The girls _____ (to feed) the birds in the garden while the boys ____ (to make) a bird-house.