Mrs. White looks old for her age.-Yes. It worries her most ________ her hair is turning gray.[ ]

There ______some fruit and vegetables there.

Mr. Wang would have continued to lead _____ poor life instead of changing his lifestyle if he hadn’t met Mr. Smith by _____ chance who was a businessman.

_______ for the new US president, the crisis was already upon them[ ]

More than _____children took part in activities last month.