问题描述：
动名词选择题you must
you must do something to prevent your house ____.
a.to be broken in
b.from being broken in
c.to break in
d.from breaking in
break不是不可以做被动吗、那为什么选b
you must do something to prevent your house ____.
a.to be broken in
b.from being broken in
c.to break in
d.from breaking in
break不是不可以做被动吗、那为什么选b
问题解答：
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