问题

To save the drowning child, the boy plunged into the icy water without hesitation, _____ his own safety[ ]
A: despite of
B: regardless of
C: unaware of
D: because of
B: regardless of
C: unaware of
D: because of
正确答案是:
同类题型
s car secondhand —On the contrary, it is ______ new.
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