Составьте предложения в present perfect. 1) lesson/not/start/yet 2)teacher/already/write/on the board 3)joe and tim/just/come/into the classroom 4)tony/not/finished/getting/books ready 5)christine/already/open/book 6)dave/drop/pen/on the floor 7) he/not/pick it up/yet

1. The lesson has not started yet.

2. The teacher has already written ... on the board.

3. Joe and Tim have just come into the classroom.

4. Tony has not finished getting his books ready.

5. Christine has already opened her book.

6. Dave has dropped his pen on the floor.

7. He has not picked it up yet.