单项填空(共20题,每小题1.5分,共30分)“We can’t go out in this weather,” said Bob, ____ out of the window.
_________she first heard of the man referred to as a specialist.
.All this_________ that knowledge comes from practice.
.The petrol tank is empty.I _________it up before we left home.
Driving a car is not as difficult as you imagine,if you_________ the rules.
When Mr.Jones gets old,he will _________ over his business to his son.