Ken _____ his jacket in the gym. He has to get itback.

My father ________ my brother for driving but he wanted to pick ________ the knowledge of the computer during his spare time.[ ]

Working as ___________ ORBIS doctor was __________ unusual experience for Dr Ma.

They used to be good friends, but now they are like strangers—– How _____ this ______?

The explosion sent us ______in alldirections.