Using a telescope we could see that something .A.is happeningB.happenedC.would h
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Using a telescope we could see that something .
| A.is happening | B.happened | C.would happen | D.was happening |
试题答案
D
解析

Using a telescope we could see that something .
| A.is happening | B.happened | C.would happen | D.was happening |
D
解析