The German athlete, ________ several attempts to beat the world record in high jumping, decided to have another try.
| A．to make | B．having made | C．making | D．made |
While he was investigating ways to improve the telescope, Newton made ________ discovery which completely changed ________ man’s understanding of color.
| A．a; 不填 | B．a; the | C．不填; the | D．the; a |
It is reported that the police will soon ________ the case of the two missing children.
| A．look upon | B．look after | C．look into | D．look out |
Don’t be discouraged. ________ things as they are and you’ll enjoy every day of your life.
| A．Taking | B．To take | C．Take | D．Taken |
—Waiter, ________?
—Wait a minute, sir. That’s $ 80 altogether.
| A．would you charge me | B．how much did we eat |
| C．may I have the bill, please? | D．would you take the money |
To save the drowning child, the boy plunged into the icy water without hesitation, ____ his own safety.
| A．despite of | B．regardless of | C．unaware of | D．because of |