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题目内容
（国家开放大学商务英语3）
Additionally, make sure that your password is long enough to ______ easily being hacked.
选择一项：
A.
prevent it from
B.
provide it with
C.
do away with
选择一项：
A.
prevent it from
B.
provide it with
C.
do away with
参考答案
