Some of the members demanded to know why they had been kept____the true facts until they reached the present critical stage

He travelled to many mountains and saw many poor children, which _______his life.

Look! A dog ________ on the road. You should drive your car carefully.

Have you known DrJackson for a long time? — Yes, since she _____ the Chinese Society[ ]

to the office earlier that day, _______ the 7:30train from Paddington