We’re all____ this train ride together.
A. on
B. about
C. along
D. for
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memory的复数形式为_________.
A. memorys
B. memoryes
C. memories
D. memorive
The conversation soon turned _____ compalints about stress in work and life.
A. on
B. into
C. off
D. in
Fresh air and exercise can contribute ______ good health.
A. in
B. with
C. about
D. to