科目: 来源: 题型:选择题
| A. | Have; gone | B. | Have; been | C. | Have; gone to | D. | Have; been to |
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科目: 来源: 题型:选择题
| A. | to helping | B. | help | C. | for help | D. | to help |
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科目: 来源: 题型:选择题
| A. | A; in | B. | The; in | C. | A; on | D. | The; on |
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科目: 来源: 题型:填空题
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科目: 来源: 题型:选择题
| A. | How much | B. | How many | C. | How often | D. | How long |
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科目: 来源: 题型:选择题
| A. | carefully | B. | more carefully | C. | careful | D. | more careful |
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