In our school library there anumber of books on science and the number of them growinglarger and larger.

116.–I hope that you can remove the difference between you and Susan and become good friends– _________If only Susan had the same idea

(2013·高考湖南卷)Do not let any failures discourage you，for you can never tell________close you may be to victory.

Tony was seriously ill, ____ he did’t go tohospital.

Can I help you with the heavy bag–______.