问题
选择题
Forty miners were buried in the coal mine and they had to _____. [ ]
A. be dug into
B. be dug out
C. dig for
D. dig up
答案
答案：B
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Forty miners were buried in the coal mine and they had to _____. [ ]
A. be dug into
B. be dug out
C. dig for
D. dig up
答案：B