695. The doctor began to operate on the boy.医生开始给那个男孩动手术。
694. Please fetch a chair from another room.请到别的房间取一把椅子。
693. Jack is the strongest boy in the class.杰克是全班最强壮的男孩。
692. It was a lazy, breezy autumn afternoon.这是一个懒散的,起风的秋日下午。
691. It is no use learning without thinking.学而不思则惘。
690. If you would only try, you could do it.只要你肯尝试,你一定能做这件事。
689. I have just heard from my sister, Mary.我刚收到我妹妹玛丽的一封信。
688. I fell in love with her at first sight.我第一眼见到她就爱上了她。
687. I don"t like what you are saying.我不喜欢你说的话。
686. I don"t know if I"ll have the patience.我不知道我有没有耐心。