----Jack can’t concentrate on his lessons recently.
----Yes, that might _____ his low score in the last test.
| A．stand for | B．apply for | C．account for | D．call for |
To their surprise, they found the lecture given by the famous professor easy ______.
| A．to be understood | B．to understand |
| C．understanding | D．understood |
If you are not familiar ____ the topic, you may write something that is familiar ____ you.
| A．with; with | B．to; to |
| C．to; with | D．with; to |
We would rather die than ______ difficulty.
| A．give up to | B．give in to |
| C．give way to | D．give back to |
Go about your business your own way. Don’t _____what others think or say.
| A．care for | B．care about |
| C．care with | D．care of |
___________ to enter an ideal university, he worked harder than ever before.
| A．Determined | B．Determine |
| C．Determining | D．To determine |