Robert wishes that he ________ business instead of history when he was in university.
| A．studies | B．studied |
| C．has studied | D．had studied |
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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He __________ starve to death ___________ beg for food on the street.
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John wasn’t quite _________ the way the barber cut his hair.
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The old lady treats the boy as if he __________ her own child.
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