whi的精选

问题详情：Howdidzebrasgettheirstripes?It’shardtogetablack-and-whiteanswer.Somescientistssaythestripesareaformofcamouflage(伪装)，___61___  protectszebrasfromhungrylions.Otherssaythey’rekeytozebras’ma...

问题详情：_____we all know, swimming is a very good sport. A. Which                                                              ...

问题详情：完形填空   先通读下面的短文，掌握其大意，然后在每小题所给的四个选项中，选出可以填入空白处的最佳选项。WhileHenrywasgettingreadyforworkoneFridaymorning,heannouncedtohiswifethathefinallydecidedtoask...

问题详情：W:Hi，dad!Comeoverhere!Bequick!M:Yes?Whatfor?W:There’safootballmatch  61   TV.Hurryup,dad?M:Yes,I’mcoming.W:Let’sturn  62  theTValittlesothatwewon’tbotherourneighbors.It’stoo  la...