______ many times, he finally understood it.
If you be in time for the early bus , be sure to get up before five o’clock in the morning.
—Nothing wrong with it , ?—No .Yours is a specially-built model. Drive carefully , though .It takes time to run in a new car.
It is better to ask someone for advice rather than ___something.A. risk doing B risk to do C to risk doing D. to risk to do
Tthe doctor advised her to wear flat shoes _____her back problems.
Could it be in the room we had a talk last night you left your keys ?