A:i
B:to be
C:being
D:be
已知: a>0 ,求证: a+5−a+3>a+6−a+4 .
The park was full of people, ____ (enjoy) themselves in the sunshine.
“一朝步入画卷,一日梦回千年。”穿越时空来到宋代,我们不能做到的是( )
中学生王宏总认为自己又矮又胖,上课不敢发言,与同学很少打交道,班里的活动也很少参加,一个人独来独往。对此,错误的认识是 ( )