A great number of students        said they were forced to practice the piano.

 Our English teacher often tells us that the meaning of a new word may be   ________    according to the given context.

Emergency line operators must always ________ calm and make sure that they get all the information they need to send help.

 Many Chinese college graduates leave their country to get further education in America with the ______of getting better jobs in the future.

While intelligent people can often ______ the complex, a fool is more likely to complicate the simple.