I’d love to have a break, but I can't （) the time now.
A. spare
B. spend
C. speak
The teacher showed the students （) the laboratory.
A. on
B. at
C. around
It is very important for us to find a （) between work life and home life.
A. way
B. balance
C. blank
Please hand （) your homework in time .
A. on
B. out
C. in
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