題目列表(包括答案和解析)
Astronomers and scientists think that a black hole is a region of space ______ which matter has fallen and _______ which nothing can escape.
A.into; from | B.towards; towards |
C.out of; from | D.through; through |
Astronomers and scientists think that a black hole is a region of space ______ which matter has fallen and _______ which nothing can escape.
A.into; from B.towards; towards
C.out of; from D.through; through
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