C. Look at the picture and use the prompts to write sentences. Use the correct form of the present perfect simple. 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 hasn't started yet.
2. The teacher has already written on the board.
3. Joe and Tim have just come into the classroom.
4. Tony hasn't finished getting books ready.
5. Christine has already opened her book.
6. Dave has dropped a pen on the floor.
7. He hasn't picked it up yet.