Scientists study human brains work to make computers.
| A．when |
| B．how |
| C．that |
| D．whether |
Nobody can bear at in public places.
| A．being laughed |
| B．laughing |
| C．to laugh |
| D．to be laughed |
--- Do you think we can get there on time?
--- Yes, the car doesn’t break down.
| A．even if |
| B．unless |
| C．until |
| D．as long as |
To turn your dream into reality, you should first the hard life here which you haven’t got used to so far.
| A．come to |
| B．adopt to |
| C．refer to |
| D．adapt to |
Though injured seriously, he tried to , hoping to make his parents less worried.
| A．cheer up |
| B．light up |
| C．jump up |
| D．take up |
The national entrance examinations are around the comer, and some fans in my class are persuaded to football to focus on their studies.
| A．quit to play |
| B．stop to play |
| C．quit playing |
| D．to be quited playing |