—Mum, must I wash the dishes right now?
—No, you _________.
A:shouldn't
B:wouldn't
C:mustn't
D:needn't
城市
武汉
成都
北京
上海
海南
南京
拉萨
深圳
气温(℃)
27
24
25
28
23
26
请问这组数据的平均数是( )
Betty is the____ ____student in the class.
写出带有下面偏旁的字,并组词。
鸟____ ____
广____ ____