28.“When did he leave the classroom?” “He left _______ you turned back to write on the blackboard.”
______, and everything will be all right.
In my opinion , the thief is likely to come , please look _____ for him .
When I graduate from this famous university, I’ll _______ what I have learned to everyday life.
By the time he realizes he__ into a trap, it’ll be too late for him to do anything about it.
------Can those_____ at the back of the classroom hear me? ------- No problem.