“一幅画儿”中的“画儿”是：（）。
A、单纯词
B、复合词
C、单音节词
D、双音节词
参考答案：A, C
—The sports shoes must be Linda's.
—No, they ______ be. They're too small for her. [ ]
A. mustn't
B. can't
C. may not
D. might not
氮气不会对人造成伤害。
