1. According to the weather forecast, it _______ this afternoon. A. will rain B. rains C. is going to rain D. is to rain
2. John was on the ______ of his career and he worked hard at that time. A. space B. border C. margin D. threshold
【长难句翻译】 Until such time as mankind has the sense to lower its population to the point where the planet can provide a comfortable support for all, people will have to accept more “unnatural food”.
