Little Tommy was playing with ______ basketball alone while his father playing ______ piano just now.A. the; x B. x; the C. a; the D. x; the答案为C，第一空为什么用冠词a？谢谢！！
Half of the class__________ most of the work, and some of the work__________ difficult.A. has done, is B. have done, is C. has done, are D. have done, are怎么看是half of the class 是强调整体还是个体呢？似...
He showed us the old pagoda, once looking magnificent and now become ruined through the passage of time.1）为什么是looking ? 这个looking的逻辑主语应该是the old pagoda吧？但是主句的主语却是He. 所以正确的是否应该改成once it looking ... (it指代the old pagoda) ...
I also feel that there are many who can read without much difficulty articles written by Chinese on Chinese subjects but cannot read those written by Englishmen on English subjects.摘自葛传椝《向学习英语者讲话》(Fountain·泉系列) (Kindle 位置 102-103). 上海译文出版社. Kind...
句子结构分析，句子翻译:Although still riddled with uncertainties, the science of climate change is becoming firmer: put too much carbon in the atmosphere and you might end up cooking the earth, with possible catastrophic results.
One can learn a lot about another person from the books and the movies that the person likesthe person指的是another person还是One呢？依据是什么？一个人可以从他自己喜欢的书和电影中了解到很多关于另一个人的事情。还是一个人可以从另一个人喜欢的...
...网站看到这么一个对比：
A black and a
white dogs are playing in the yard. 一只黑狗和一只白狗正在院子里玩。（两只狗）
A black and white
dog is playing in the yard. 一只黑白花狗正在院子里玩。(一只狗)
该网站认为这两句话都是对的。但是我...
...网站看到这么一个对比：
A black and a
white dogs are playing in the yard. 一只黑狗和一只白狗正在院子里玩。（两只狗）
A black and white
dog is playing in the yard. 一只黑白花狗正在院子里玩。(一只狗)
该网站认为这两句话都是对的。但是我...
This and other promising findings about the life-changing effects of crises are the province of the new science of post-traumatic growth. 老师好，请教这句话的语法及句子结构分析。