Keys should never be hidden around the house since thieves _____ know where to look.
| A．virtually | B．variously | C．unavoidably | D．invariably |
In 1911, Madam Curie received a second Nobel Prize for her research, the first person in the world ______ two Nobel Prizes.
| A．receiving | B．received | C．to receive | D．being received |
--- The floor is dirty. Can anyone clean it?
--- ______. I do it all the time.
| A．Don’t mention it | B．Why you? | C．Not sure. | D．Not me again. |
In the face of ______ failure, it is the most important to keep up _____ good state of mind.
| A．/ ; a | B．a; / | C．the; / | D．/; the |
He was always _______ for knowledge, and at last became an expert in the field of art.
| A．fond | B．content | C．brave | D．greedy |
______ at the crossing and you will see a tall white building.
| A．Turn right | B．Turning right | C．Turned right | D．Being turn right |