A:78
B:58
C:56
D:34
重组单词
① It's ____ the library.
② What a great ____!
③ ____ is the post office?
④ The shop is ____ to the door.
⑤ Today is Tuesday. We have ____.
在一个不透明的口袋中装有4个红球和若干个白球,它们除颜色外其他完全相同,通过多次摸球试验后发现,摸到红球的频率稳定在25%附近,则口袋中白球可能有____个.