I came to school ______ this morning, because it was my turn to clean our classroom.
A. early
B. slowly
C. quietly
D. suddenly
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More and more people in Qingdao go to work ______ subway now.
A. with
B. on
C. in
D. by
It ______ about fifteen minutes from my home to our school.
A. pays
B. need
C. spends
D. takes
They go to work ______ every day.
A. take a bus
B. by bus
C. by a bus
D. by buses
In China, some of the students ______ the river to school by ropeway.
A. live
B. drive
C. cross
D. clean