I’m sorry. I ________my exercise book at home.—Don’t forget ________ it here tomorrow, please.

Xiao Wang, ________ will it take to fly to Beijing—About three hours.

They are living with their parents for the moment because their own house ____. [ ]

I met your brother ______ I was walking inthe street.

ay’s fiercely competitive society,； people only care about what achievements you _______, not your efforts.