Jack decided to risk looking for a place to stay where he arrived, rather than booking ______.
In this section, we will briefly describe possible ways of reducing the costs and risks __________ in doing this.
__________ work has been done to improve people's living standard.
North Korea threatens to __________ from six-party talks aimed at ending North Korea's nuclear program unless its proper rights are to be satisfied.
I had great difficulty __________ the suitable food on the menu in that restaurant.
-Can I help you, Madam?-Yes. I want a tie __________ for a man to wear at a formal party.