题目内容
By this autumn they _____for ten years .
| A.will have married | B.will have been married |
| C.have been married | D.will be married |
B
考查时态。by+将来的时间用将来完成时;by+过去时间用过去完成时。this autumn是将来的时间,故用将来完成时。与一段时间连用,用be married。故选B。
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