Now there is a danger______ the ground may fall in (沉下) under the heavy traffic.

游客2024-10-26 10

问题 Now there is a danger______ the ground may fall in (沉下) under the heavy traffic.

选项 A、whether
B、if
C、/
D、that

答案 D

解析

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Nowthereisadanger______thegroundmayfallin(沉下)undertheheavytraffic.