來源：http://www.testden.com/
The Cayman Islands is a haven ________ investors need not worry about capital
gains tax.
a) which
b) whom
c) where
d) why
Ans: C
感覺where or which 唸起來都很順阿QQ
實在是分不清楚 兩者的差別
有無高手可以相助