The fuel must have been finished,_____the engine stopped.
for
举一反三
- David, you are so lazy. This job( )hours before. A: should finish B: could be finished C: should have been finished D: must have been finished
- John, you are so lazy. This job _____ hours ago. A: should finish B: must have finished C: could be finishing D: ought ot have been finished
- Three-fourths of the homework _____today. A: has finished B: has been finished C: have finished D: have been finished
- It is already ten o’clock and the game _____ by now. A: should have finished B: will have finished C: must have finished D: must finish
- Must the composition ____ in an hour? A: will be finished B: has been finished C: be finished D: is finished
内容
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He the work yesterday, but he didn't. A: must have finished B: need have finished C: finished D: should have finished
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All the tasks ______ ahead of time, they decided to have a dinner party to celebrate.( ) A: have been finished B: had been finished C: having been finished D: were finished.
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The __________ must be circulated between moving engine parts to prevet metal-to-metal contact. A: coolant B: fuel C: engine oil D: water
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1. I have finished the job. / The job ____ by me. A: has finished B: has been finished C: had been finished
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I ______ writing the article by the time you get back. A: shall finish B: must have finished C: have finished D: D．shall have finished