Mother often tells me ________ fire.

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—May I have some water?

—Sorry. There's ________ in the bottle.

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Li Lei was born ________ June 12, 1984．

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Is this ________ ruler?

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________ can work out the problems because ________ of the problems is easy.

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“Must I meet Mr Smith at the station?”“No, you ________.”

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Do you know ________ ?

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The Yellow River is one of ________ in the world.

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At last Ling Feng made the baby ________ and ________ to laugh.

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I don't know if Mr Li ________ next Sunday. If he ________, I'll tell you.

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