题目内容

They decided to the computer systems.

A. update
B. updates
C. updated

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Are your friends on any social sites Facebook, Tweeter?

A. likes
B. like
C. liked

My sister is working a sales manager in a company.

A. in
B. as
C. of

I be on Facebook a lot before.

A. used to
B. use to
C. uses to

Sometimes I feel that I need to communicate stuff my friends.

A. with
B. of
C. from