Thegroupismadeupoflocal___(music)whohavebeenperformingtogetherforseveralyears.
Donotletthis__(say)ofyou.Itshowsanunattractiveindifferencetoyouremployerandtoyourjob.
两列机械波I、II在传播过程中遇到一障碍物，I的波长与障碍物尺寸相当，II的波长远小于障碍物尺寸，则机械波（）
We______togotothesupermarketbecausewehadplentyoffood.
Youmayusebike________yougiveitbacktometomorrowmorning
