You can’t plug _____ the memory stick when the light is flashing. Otherwise, the system data may be damaged.
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He called to say he would be late home—something had come _____ at the office.
A. up
B. onto
C. with
D. out
Time passes quickly when you are absorbed _____ reading a good book.
A. to
B. with
C. in
D. into
We just s_____ fast food. If you want something special, please go to another reataurant.
A. serve
B. search