Срочно пожалуйста!!!!!!!!!!!!!!!! дайю 34 балла

B. 1. for 2. for 3. since 4. for 5. since 6. since 7. for 8. for C 1. Mary and Stephen have been making a cake. 2. Martha has been wrapping presents. 3. Delia has been decorating the tree. 4. Tom has been shopping for food. 5. Joanna has been writing cards. D 1. It has been raining since three o'clock. 2. He has been playing chess since he was ten. 3. I have been working since eight o'clock. 4. Helen has been looking for another job for two months. 5. We have been arriving here for two hours.