Helicopters ____ nearly 20 peoplefrom the roof of the burning building in Shanghai.[ ]

Which one do you want to buy, an iPhone 4, an iPhone 4S or an iPhone 5S-___________. They are too expensive.

Foreign Minister of China used plain language to make the Chinese foreign policy ________ to the whole world at the press meeting last week.[ ]

the first nonstop flight made in 1949, it_____necessary for all planes to land for refueling.

I don’t think she’ll be upset, but I’II see her in case______________.