The crossing was blocked by many trucks andbuses, made itimpossible for us to go to work on time.

－The Chinese government has started to teach good manners to tourists travelling abroad.－Very necessary. Good manners will .

Could you please help meWe need another twenty chairs.—-Sure.I’ll do it right now.

Could you mind _________ out with me when you finish _________ the homework

t mistaken, Rio de Janeiro of Brazil waschosen as the host city for the 2016 Olympics.