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( )1. He ___ come back to China ___ he learns English well. A. doesn’t; until B. doesn’t; after C. won’t; when D. won’t; until ( ) 2. Mr Poor doesn’t have _____ money, but he has ____ friends. So he feels very ____ . A．lots of; many; happy B. many; lots of; happily C. much; many; happy D. much; lots of; 3.( )____ difficult ___ him____ the project on time. A. It’s; to; finish B. He is; for; to finish C. It’s; for; to finish D. That’s; to; finish

解题思路： 如下
解题过程：
( )1. He ___ come back to China ___ he learns English well.
A. doesn’t; until B. doesn’t; after C. won’t; when D. won’t; until
选D正确。
not...until“直到...才...”的意思，until用作连词引导时间状语从句时，从句表示的如果还没有发生，习惯上也要用一般现在时而不用一般将来时，也就是说当主句用一般将来时（或主句是祈使句时），until引导的时间状语从句要用一般现在时。例如：
Don't leave until we come back. 在我们回来之前，不要离开。
We won't go home until the rain stops. 我们要直到雨停了才回家。
( ) 2. Mr Poor doesn’t have _____ money, but he has ____ friends. So he feels very ____ .
A．lots of; many; happy B. many; lots of; happily C. much; many; happy D. much; lots of; happily
正确答案是C。
a lot of（=lots of）用在肯定句中，而many，much不受限制。因为第一句话是否定句，所以不能用lots of 。 money是不可数名词，不能用many修饰。选项B被排除。feel是系动词，后面要接形容词作表语，所以选项D被排除。
3.( )____ difficult ___ him____ the project on time.
A. It’s; to; finish B. He is; for; to finish C. It’s; for; to finish D. That’s; to; finish
选C正确。 It is +adj.+for sb.+to do sth表示做某事对某人来说很adj.如： It’s very dangerous for children to cross the busy street. 对孩子们来说，穿过繁忙的街道很危险。 It’s difficult for us to finish the work. 对我们来说，完成这项工作很困难。

最终答案：略