If there are _______ people driving, there will be _______ air pollution.—Yes, the air will be fresher.
How many boys _______ in your group?–Four.
Hundreds of _________ people _________ the streets and parks of London to watch the royal wedding on video screens.
______ is it from your house to the bus stop?— About five minutes’ walk.
I can’t find my pen.Could you lend me ________ ?—Sorry,I’m using it__________.