题目内容
extra
1)adj.beyond what is usual or necessary
e.g.The conference is going to be a lot of ________ work.
Breakfast is provided without ________ charge.
2)n.something that is added and for which you usually have to pay more
e.g.He ordered several ________, such as a radio and air conditioning on his new car.
Her regular school fees are $50 a term, music and dancing are ________.
答案:1)extra,extra;2)extras,extras
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