教我暑期作業

a) shadow
b) pain

問題： 教我暑期作業
問(英文謎語):
Sometimes black,sometimes grey.
Stuck at the bottom,yet easily flies.
Present in the sun,but not in rain,
Doing no harm and feeling no pain.
A.What is it? _______________
B.Which word does 'rain' rhyme with?_______________

回答：
Sometimes black,sometimes grey.
Stuck at the bottom,yet easily flies.
Present in the sun,but not in rain,
Doing no harm and feeling no pain.
A.What is it? _______________
B.Which word does 'rain' rhyme with? _______________

ａ）ｓｏｒｒｙ　我唔知道
ｂ）pain

我教左你Ｂ，ｓｏｒｒｙ！！