某商店进行降价促销活动，夹克每件28元，短裙每件50元，运动裤每件42元，皮鞋每双55元.妈妈有90元钱，想买上面的两件商品，她可以买哪两件？还剩多少钱？

如图，等腰梯形ABCD，AD∥BC，BD平分∠ABC，∠A=120°．若梯形的周长为10，则AD的长为____ 

⑴How do you feel? ____                                 A. I can skip a rope.

⑵How does your grandfather feel? ____        B. My name is Jackson.

⑶What's your name? ____                              C. She's tired.

⑷How old are you? ____                                 D. I am tired.

⑸What can you do? ____                                E. I am eleven years old.

⑹How does Kitty feel?____                             F. He's tired.