快点——When did it begin to snow?——It started _
快点——When did it begin to snow?
——It started ____ the night.
A、during B、by C、from D、at
Young as he is,David has gained ____ rich experience in ____ society.
A、the; the B、a; 不填 C、不填；不填 D、不填；the
____ from endless homework on weekends,the students now find their own activities,such as taking a ride together to watch the sunwise.
A、Freed B、Freeing C、To free D、having freed