题目内容
用所给单词适当形式填空,每空格限填一词。
Mary stood up ______ (timid) and answered in a low voice.
用所给单词适当形式填空,每空限填一词。
She is as ______ (friend) to me as before.
Is the news ______ (real) true?
When he was fifty, he became a famous ______ (science).
How much do you need for school ______ (expensive)?