Appropriate contexts make a new word easier , so you should learn to make use of them in guessing the meaning of the new word.
—Why do you choose to work in an international travel agency? —Well,you know,English is my ________,so it is my best choice.
The idea for the new plan came to his mind,________ to his experiment in the lab.
Your understanding on the theory is________satisfactory. You must read more after class.
Not until they left school________ how much their teachers loved them and helped them.
I thought Peter would have helped you.________is a great pity that he should be so selfish.