用that if/whether 各造句5个.

1.The question isn't whether there's volatility
2.Keep tabs on whether your boss is going
3.Keep tabs on whether your boss is going
4.Whether with your boss or with coworkers, don't be drawn into arguments that are likely to produce nothing but hard feelings. "
5.Virtually every key economic and financial decision there--whether national or regional--has been put on hold awaiting the outcome of german elections in september.