1) To use language c) is a human activity.
2) Не a) was the last to come
3) he…d) was asked..about it last time, so you need not worry about it
4) The newspapers b) were already looked through by me.
5) We b) Were joined by a group of our students in the Crimea
6) Much d) had been learnt by the end of the term.
7) Only the best out of the best c) are admitted to the University
8) You c) might have known the main types of social work
9) The results of the exam d) Are deing discussed by the student now