5. We drink only fresh water. 6.1 read this book long ago. 7.He broke my watch. 8.The teacher explained the rule to the student. 9.He cleaned the room yesterday. 10.His parents woke him up at 7 o'clock.

The professor told us:
-that they would have a test next day.
-that they were going to study conditional next.
The professor asked us to study hard.
The professor told us that the exam was easy.(можно оставить is,тогда будет как факт)
The professor asked us if we were ready to start
The professor asked where we had been.
The professor asked us not to cheat.
The professor asked us to leave when we are finish.
The professor told us that he was going to correct test next day.
The professor asked us if we would check up
The professor told us that we can take the tests home
The professor asked us where we usually spent our summer holidays
The professor asked us why we had come there the day before