英语语法 TOi had trouble finding out the answer to question.为什么ANSWER后面用TO.

英语语法 TOi had trouble finding out the answer to question.为什么ANSWER后面用TO. She had trouble making___sentences. toi 英语语法填空 关于only toI got to the park ,only------(find) I had left the wallet at home.to find 记得以前有过题only to + doing可否举例辨别? She had trouble with her reports翻译 trouble trouble. 英语翻译His son had much trouble （）（）conversations. He had trouble sloving this problem.同义句 she had much trouble making complete sentence!（改为感叹句） I had trouble making complete sentence 怎样变否定句 had trouble （in） doing sth如题,长一点. i had no trouble with finding his office改错为什么? I had a little trouble _____(learn)English grammer 英语语法达人请进~括号里有一个是错的.1.She (gave) him a piece of cheese.He (puted) the bit of cheese in his pocket.2.This (is) the computer (to which) we have (had) so much trouble.3.The Persian King (had) sent messengers (every) city 德文；Toi,toi,toi 翻译哟! she's had trouble with her husband.为什么is后面可以加had toi et