Some people try to knock me down, only me more determined to do better.
| A．to make | B．makes | C．having made | D．made |
.All this_________ that knowledge comes from practice.
| A．speaks | B．proves |
| C．explains | D．teaches |
.The petrol tank is empty.I _________it up before we left home.
| A．had to fill |
| B．would have filled |
| C．should have filled |
| D．could have filled |
Driving a car is not as difficult as you imagine,if you_________ the rules.
| A．depend on | B．believe in |
| C．turn to | D．stick to |
When Mr.Jones gets old,he will _________ over his business to his son.
| A．take | B．hand | C．think | D．get |
Mrs.Brown is supposed _________ for Italy last week.
| A．to have left | B．to be leaving | C．to leave | D．to have been left |