Theearth________tobeflat.A.wasused

发布时间:2020-07-10 04:59:01

The earth ________ to be flat.













A.was used to be thought












B.used to be thought











C.was used to think











D.used to think

网友回答

B解析be used to doing指“习惯于”;be used to do指“被用来做”;used to do指“曾经,(以前)常常”。而本句后的to be flat作think的宾语补足语。
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