Thevehiclewastravelingatspeeds________90milesperhour.
Wateriscomposed_______hydrogenandoxygen.
_______foryourlaziness，youcouldhavefinishedtheassignmentbynow.
改写病句：Peterorderedthemealforhisfriendsrangingfromfriedshrimptochoppedbeef.
句子写作：Iwasveryembarrassed.Ididn’tknowwhatIshoulddo.
