题目内容
The construction of the two new railway lines ________ by now.
| A.have been completed | B.has been completed |
| C.has completed | D.have completed |
B
解析
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题目内容
The construction of the two new railway lines ________ by now.
| A.have been completed | B.has been completed |
| C.has completed | D.have completed |
B
解析