一些简单的英语、数学题
A.英语
根据句意及首字母提示补全句子
Everyonewantstogetahigere_____
Thatisad____story.Idon'tlikeit.
句型转换
Mikedidn'tstayathometowhoursago(改为同义句)
Mikewasn't______towhoursago
Theflowersareverybeautiful.(改为感叹句)
__________________theyare!
已知△ABC中,AB=AC,F在AC上,在BA的延长线上取AE=AF.求证EF⊥BC(有6中解法)