私立大学の学費は高くなって、社会問題になっている。
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25. Don't take the wrong turn before _______ the railway station.
A. have
B. run
C. keep
D. reach
26. The team doesn't mind ______ at weekends as long as they can finished the task.
A. worked
B. working
C. to work
D. work
27.We are a non-profit company ______ team members are from all over the country.
A. whose
B. that
C. which
D. what
28.The meeting room is so small that it can hold 20 people ______ .
A. at last
B. at first
C. at most
D. at once