On the one side of the road grass should be planted, and ______.

The old lady died from the _____on herhead; she was _______when cleaning windows on the ladder when she fell off it.

________of the students in our class arefrom the north.

Could you help me ______a shelf on the wall —No problem

Good technique in medicine means less pain and fewer deaths and, _____, it’s our duty to master it [ ]