Was it _____ she heard with her ears _____ really made her frightened？

He hurried to the school only _______ thecampus was empty ___ it was Sunday!

Boys and girls, no hand _______ any other tool can be used in the game, _______ you still need to make it work. Are you clear about the rules— Yes, sir.

About _______ of the books in our school library are written in Chinese.

______classmates are nice . I love to play with_______.