I followed his advice that I____mys tudy plan.

Mr. Liu insists that the price of petrol _____ too high and that he ____ his car.

 I _______ have met him a long time ago. Both his name and face are very familiar.

—How was your trip to London?—Great. I was helped by an organization. Otherwise, I ______ it.

There _____ be any difficulty about passing the road test since you have practiced a lot in the driving school.