21—It is raining cats and dogs22　— 23

I heard the alarm ringing all the morning.____ something very urgent happened.

Have you finished you work Yes, Ihave finished it. I finished it 1hour ago.

He devoted all his life to_____ novels.[ ]

The government is also undertaking importanteducational work based on the _______ of the members that the best form ofconservation is the prevention of damage