在计划任务书实施过程中,如重大问题有变更时,应报____审批同意
My friend was a victim ________ cybercrime last week.
A. of
B. on
C. by
D. in
It’s important to be aware ________ some basic online security measures.
A. in
B. by
C. at
D. of
After writing that blog post, I received lots of ________ abuse.
A. verbing
B. verbed
C. verb
D. verbal
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