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【題目】—I like the two sweaters, but I can only afford _________ of them.

【題目】Jessica really enjoys travelling, and she _________ many foreign countries since 2010.

【題目】There was no one nearby who might see the thief trying to break the house.

【題目】__________ you go across the road, you must be careful.

【題目】The policeman gave us much on how to protect ourselves when we are in danger.

【題目】Please take the valuable vase there with great care. I don’t want it to be broken.

【題目】There _________ a pen, two pencils and many kinds of books on the desk.

【題目】Many children start to learn to play _____________ piano at an early age.

【題目】John is good at English, so he rarely makes mistakes in English grammar. Which of the following is correct for the underlined word in the sentence?

【題目】Mr. Wang ______ be in putian now, he went to Beijing just now.