Direction: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the best answer that completes the sentence.
1. ____ the 2012 Olympic Games will be held in Paris is not known yet
A. Whenever B. If C. Whether D. That
2. It worried her a bit ____ her hair was turning grey.
A. while B. that C. if D. for
3.____ is a fact that English is being accepted as an international language.
A. There B. This C. That D. It
4.The whole family were worried about Jane because no one was aware ______she had gone .
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