______ I remind you of is to return the book to our English teacher.—I will give it to him ______ I see him.
If you have a problem _____ your composition, you had better ask your teacher ______.
It's quite strange that the man sleeps with his mouth____ and his eyes _____.
His father looks young, but _____ fact he is _____.
Before the game started Alien's friends believed he was ___ but he didn't feel ___. Then after the first ten minutes, he began to take heart.
Paper _____ the fibres of plants for many years.