如图,△ABC中,D、E分别在边AB、AC上,CD平分∠ACB,DE∥BC,如果AC=10,BC=15,那么AE=____ .
Sn是等差数列{an}的前n项和,若S5=20,则a2+a3+a4=( )
Who is tall than Jim?____
35÷x=35的解为____。
根据图画提示完成对话
Mike is a very cool boy. He very likes Chinese food. He likes ____, but he can't use ____. Mike's friend Wu Yifan lies ____. He can use ____ and ____now. Their teachers Miss White is beautiful . She likes ____and ____. She can use ____.