_________ are Helen’s Pants?—They’re blue.[ ]

I like places _____ the weather is neither too hot nor too cold.[ ]

Have you got an iPhone 5?—No, many young people began to say “No” to it because of _________ follow-up service. By the way, I am a supporter of Chinese products.

What ________ if there ______ no water or air on the earth?

____ cup of orange juice would you like?[ ]