Acartravelsatarateof50milesperhour.Howlongwillittaketotravel300miles?
don't(完全形式)__________
()_____nameisMike.
—Isthereadininghallinyourschool?
—__________
Oneday,MrGreenaskedMrsGreen______(go)shoppingforhim.
()Pleasegive____acupoftea.