科目: 来源: 题型:选择题
| A. | protect,save | B. | protecting,save | ||
| C. | protecting,saving | D. | protected,saved |
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| A. | a,a | B. | an,a | C. | an,an | D. | a,an |
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科目: 来源: 题型:选择题
| A. | have studied | B. | will study | C. | am studying | D. | studied |
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科目: 来源: 题型:选择题
| A. | go | B. | goes | C. | has gone | D. | has been |
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科目: 来源: 题型:选择题
| A. | when the School Day is | B. | when is the School Day | ||
| C. | when the School Day was | D. | when was the School Day |
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| A. | is built | B. | was built | C. | will build | D. | will be built |
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科目: 来源: 题型:选择题
| A. | go | B. | going | C. | to go | D. | went |
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科目: 来源: 题型:选择题
| A. | cleans | B. | cleaned | C. | has cleaned | D. | is cleaning |
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科目: 来源: 题型:选择题
| A. | Where | B. | When | C. | Whose | D. | Which |
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科目: 来源: 题型:选择题
| A. | by | B. | on | C. | at | D. | in |
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