题目内容
You can't see anything clearly through a telescope unless it ________ correctly to
your sight.
your sight.
| A.adjusts | B.is adapting |
| C.adapts | D.is adjusted |
D
D [望远镜和动词“调整”间是被动关系,故要用被动语态。adjust调整;adapt使适应,改编。]
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