One of the requirements for a fire is that the material ____ to its burning temp
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One of the requirements for a fire is that the material ____ to its burning temperature. |
[ ] |
A. is heated B. will be heated C. be heated D. would be heated |
答案
C
|
举一反三
He ______ full marks, but he was so careless as to make a spelling mistake. |
[ ] |
A. must have gained B. can have gained C. could have gained D. must gain |
I was really anxious about you. You _______ home without a word next time. |
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A. mustn"t leave B. shouldn"t have left C. couldn"t have left D. needn"t leave |
With such a lot of work on hand, he ____ to the cinema last night. |
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A. oughtn"t to go B. shouldn"t have gone C. mustn"t go D. wouldn"t go |
His suggestion that much attention ______ wildlife is worth ______. |
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A. be paid to protect, being considered B. be paid to protecting, considering C. should be paid for protecting, to consider D. should be paid on protecting, to consider |
Tom is talking about the accident as though he _______ it. |
[ ] |
A. saw B. had seen C. has seen D. would see |
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