Her son,to whom she was so_____,went abroad ten years ago.

Being in the hospital for six months, he felt as if he was ____ from the outside world.

He tried to cope with the ever-increasing burden of his work, but finally he _____ and had to take a complete rest．

As there was no spare bedroom, Susan had to ______ her friend for a night in the sitting-room.

--You’ve been driving for hours．Shall I ________？ --No, that’s OK．I enjoy driving and I know you hate it, especially on the highway．