He is such a good salesman that he finally managed to make the customers________of the qualityof the car [ ]

We have sweaters ________ all colors ________ ￥50 each.

You _________ drive on when the traffic light is red.

.Eton College in England was ______ in 1440 by King Henry VI to give free education to poor students.

The supermarkets____open until late every evening, which provides us much convenience.