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Read the question about cell phones and the three answers. Then complete the sentences with the modal verbs in red.

Question: I want to buy a new cell phone. What should I do?
Answer 1: you could ask your friends or a salesperson for their suggestions.
Answer 2: you should read Consumer Advice magazine. They rate the different phones.
Answer 3: You’d better be careful. Some of the best cell phones are really expensive.
In Answer 1,
is used to make a suggestion (about two or more things).
In Answer2,
is used to give advice. Ought to can also be used to give advice.
In Answer 3,
is used to give stronger advice. It can sound like a warning.

参考答案