Perce Blackborow and his companions stayed on Elephant Island for six months before rescue came, so they ________ a lot of difficulties.
A.must go through | B.may go through |
C.must have gone through | D.could have gone through |
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Perce Blackborow and his companions stayed on Elephant Island for six months before rescue came, so they ________ a lot of difficulties.
A.must go through | B.may go through |
C.must have gone through | D.could have gone through |