超星 - Unit 2 Company(副本) - 查题吧

单选题

If the paper in the printer______, call sombody at once.

A. recycles
B. replaces
C. jams
D. spills

单选题

Be______ at all time.

A. neat
B. near
C. never
D. new

单选题

Show respect for your colleague's workspace and______ when you enter sombody's office.

A. be careful
B. knock
C. disturb
D. be aware

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