are ，what ，they ，colour
____________________________________
What colour are they?
暂无解析
Wewouldbrushour_______(tooth)twiceaday.
Acartravelsatarateof50milesperhour.Howlongwillittaketotravel300miles?
()_____youseetheblackboard?
I’mtenyearsoldandmysisteristwoyearsolderthanme，sosheist_____yearsold。
--Shemustbeinred.
No,_____.Shewearsagreencoat.
