Television repairman was a common occupation.这句话中的主语是否应该用复数,如果不用复数也应是the+television repairman或a+television repairman表示泛指,但是这句话中的主语为什么只用单数,难道这里的telev...
Ifthat’s hard to understand, let’s keep it as simple as the arugula at the backof my refrigerator. Mike Curtin sees my arugula storyall the time — but for him, it’s more lik...
Thank you for having taken so much trouble to help.和Thank you for taking so much trouble to help.有什么区别,前面那一句是动名词完成式的被动语态?还有上面句子的句子成分解析,特别是to help作什么成分?...