介词练习( )1.___ the afternoon of May, we visited the old man.
A. On B. At
C. In( )2.Many people work ___ the day and sleep ___ night.
A. on ; atB. in ; inC. in ; at( )3.He speaks Japanese best ____ the boy students.
A. betweenB. withC. among( )4.A wolf ___
