It has been announced recently that all the schools________not have the students attend school if the students have high temperatures.
| A．need | B．shall |
| C．could | D．ought to |
It was such an __________ performance that it ___________ all the audience.
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This picture was taken a long time ago. I wonder if you can __________ my father.
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I saw Bob play the piano at John’s party and on that __________ he was simply brilliant.
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It is considered no use _________ against the deadly disease.
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He regretted very much __________ unkind things about his friends.
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