One of the best ways for people to keep fit is to______ healthy eating habits.
If you think there _____ huge quantities of oil for the use of drivers, you are wrong.
The chairman thought ______ necessary to invite Professor Smith to speak at the meeting.
There are the books ______ my brother.
There is no need for you to look up every new word you _____ when reading. You have to learn how to guess the meanings of new words according to the context.
—What did John say about leaving the city?—He said he disliked the place so he had no _____ about leaving so soon.