Try to spend your time just on the things you find _________.
| A．worth doing them | B．worth being done |
| C．them worth doing | D．worth doing |
She dislikes ________in public places.
| A．to laugh at |
| B．laughing at |
| C．being laughed |
| D．being laughed at |
I'm very tired ________walking for two hours.
| A．of |
| B．to |
| C．from |
| D．by |
It is Tu Youyou ________was presented the 2011 Lasker Clinical Medical Research Award on September 12.
| A．what |
| B．that |
| C．when |
| D．which |
We can ________a note of what the teacher says in class and ________notes afterwards.
| A．take；make |
| B．compare；take |
| C．make；compare |
| D．make；take |
All the employees of this department were ________into groups to discuss the question.
| A．cut up |
| B．brought up |
| C．split up |
| D．teamed up |