For some time the expert __________ people of the health risks caused by passive smoking. He says he won't stop until all the smokers around him decide to quit smoking.
Had they known what was coming next, they _____ second thoughts.
---What do you think made her mother so angry? ---______ the exam.
----Shall we go and help them with their work? ----We’d better not. They said we’d just be ______ if we tried to help.
I wonder what it feels like to be one of ______ really rich. The Browns already have Rolls Royce and now they are buying ______ third.
Some kinds of animals can ______ the color of their surroundings.