摘要： I need one more coin before my collection . A. had completed B. completes C. has been completed D. is completed
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I need one more coin before my collection ____.
A. had completed B. completes
C. has been completed D. is completed
查看习题详情和答案>>I need one more coin before my collection ____.
A. had completed B. completes
C. has been completed D. is completed
查看习题详情和答案>>
I need one more coin before my collection ____.
| A．had completed | B．completes |
| C．has been completed | D．is completed |