Jack, you’d better make sure _____ the exact time of the train before setting out．

．It’s disappointing that no one could _________ a good idea to help us out of trouble．

In fact, the house as well as his two cars ______ him all the money he earned during the 20 years．

---You should say sorry to her, Tom．

--- ______, but it’s not going to be easy．

_____ global financial crisis of 2009 became _____ concern for people all over the world．

---Remember the first time we met, Mary?

---Sure．You ______ in the supermarket．

---____ will we have to go? 

---Just one mile．Keep walking．

The government _____ to the country to pay more attention to A/H1N1flu.

_____your composition carefully, some spelling mistakes can be avoided．

The number 13 is a special number, ____, I think, that will be hated by the foreigners.