___the 2000 Olympic Games will be held in Beijing is not known yet.

题目

___the 2000 Olympic Games will be held in Beijing is not known yet.
a、whenever
b、if
c、whether
d、that
为什么不选if

答案

选c.
是否的意思.
2000年的奥林匹克运动会是否会在北京举行现在还不能确定.
原因和刚才这道题一样.
___we will go camping tomorrow depends on the weather.