He sat quietly in the room, listening to the rain _________ against the window.[ ]

My mother is ill in hospital. I have to ___________ my grandparents at home.

Take great pains to read _____ you can or you won’t have a better understanding oflife

The good thing about children is that they ______ veryeasily to new environments．

（题文）When they got there, the village seemed deserted, the only sign of life ________ one or two dogs lying under some trees.