Don't use water to put out the fire if oil catches fire. As is known, oil ____ float on water.

试卷相关题目

• 1According to the rules and regulations, all payments _____ be made in cash in the shopping center.

  A.shall

  B.can

  C.must

  D.should

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• 2---- Where are you going for the weekend? ---- I haven't decided yet. I _______ go fishing with my friends.

  A.should

  B.might

  C.can

  D.must

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• 3The weather in the south is generally warm, but it________ be very cold sometimes.

  A.may

  B.shall

  C.will

  D.can

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• 4When I was a child, I ______ watch TV whenever I wanted to

  A.should

  B.could

  C.must

  D.need

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• 5It's desired especially this year that this rule _______be brought to the attention of all the teachers.

  A.should

  B.would

  C.might

  D.could

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• 6---I'm thinking of losing weight these days. ----Oh, you ______ be out of mind. You're 50 kilograms at the most!

  A.must

  B.will

  C.will

  D.may

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• 7My cell-phone  has disappeared. Who _____ have taken it away?

  A.could

  B.should

  C.must

  D.might

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• 8--Is that Wenfeng Road over there? --It ________ be, I'm not sure

  A.can

  B.could

  C.must

  D.should

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• 9---You needn't take an umbrell

  A.It isn't going to rain. ---Well, I don't know. It ______ do. A.might

  B.need

  C.would

  D.should

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• 10He had no choice but to go on because it is their agreement that no one ______ quit the plan half way.

  A.need

  B.will

  C.shall

  D.can

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