---MayIborrowyourbicycleforaday,David?---Oh,sorry!Mybic...

问题详情：

---May I borrow your bicycle for a day, David?

---Oh, sorry! My bicycle is not        ，and it is being mended.

    A. legal    B. available    C．positive   D．constant

【回答】

B

知识点：形容词

题型：选择题