The scientist decided to devote his life to ____ pollution from ____ again.

I won’t come to the party unless Sue ______, too.—You mean if Sue comes you’ll come

It has been announced that the 2014 World Cup＿＿＿＿＿in Brazil from June 12一July 13，2014，in 12 hosting cities．

When you are swimming, ________ your ears. You can use earplugs (耳塞) to stop water getting into your ears.

We’re organizing a partynext Saturday, and I’d like you to come.— ______! I have ameeting to attend that day. Thank you all the same.