polar caps M ：Are you taking Professor Webster's physics class?W ：Sure,when the polar caps melt.

polar caps M ：Are you taking Professor Webster's physics class?W ：Sure,when the polar caps melt. Huge solar mirrors are put in orbit around Mars to ___ the polar ice-caps.A.warmB.heatC.heatenD.enheat These caps are ___? How big are polar bears polar 英语六级听力句子among global warming’s most frightening threats is the prediction that the polar ice caps will melt among 后面能接is? 英语作文 Polar bears are in danger100词左右 The yellow caps are on the chair （变为一般疑问句） 什么the yellow caps 什么the chair? There are no polar bears in the south pole同义句 There are---- ---- polar bears in the south pole. yo man i'm here It seems that Polar Bears are gentle animals.(同义句）Polar Bears seems ______ _______ gentle animals. yo These are that boy's caps.对that boy's caps提问 ______ ______ these?第二个题目：These are that boy's caps.对that boy's 提问 ______ ______ _____ these? We are happy sister yo 是什么意思? blanking caps uncalibrated caps there are some caps on the wallI like the____(ninth nine) one the caps ( ) boys are only five yuan ( ). 男孩子的帽子只卖五元钱一顶. 括号里填什么