Theofficebuilding_____theclassrooms
—Haveyougotadictionary?
—_______________
Acartravelsatarateof50milesperhour.Howlongwillittaketotravel300miles?
“Hereyouare.”“_____(thank).”
Therearesomanypeopleintheshop.Youmust________yourthings.
swim_______(现在分词)
