Thanks to the old man’s hard work, a lot of _____ has been covered with green trees.
| A．the hills | B．hills | C．the hill | D．hill |
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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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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