To avoid on how to use the word, you’d better refer to a dictionary.
I ____ him by surprise and he had no time to think of an excuse.
I’m sorry to ______ you, but can you tell me how to get to the library?
Remember that there is still one point ______we must make clear at the conference tomorrow.
The number of children who have lost parents due to AIDS ______to rise to over 26 million in 2011.
It’s nice to see you again. What ______since we last met?