1.他不够高,摸不到书架的顶部.
He's_too__short_to__reach the top of the bookshelf.
知识点：考察too.to结构,意思是“太.以至于.”一般too后接形容词,to后接动词.
2.我通过每天早上大声朗读来学习英语.
I study English_by_ _reading_ _loudly_ in the morning.
知识点：by当介词时有“借助某方式,依靠某方式”的意思.
3.我发现学习英语语法很难.
I found_it_ _difficult_ to learn English grammar.
知识点：it指代不定式短语用法,这里it指代后面to learn English grammar.
4.我认为记忆一些英语流行歌曲的歌词对学英语有用.
I _think_ _it_ _is_ useful to_memorize_ some words of pop songs in the English.
知识点：考察it is+形容词+不定式结构,意思是“做什么怎么样”
5.那个男孩所做的事情给我们留下了深刻的印象.
We _were_ _deeply_ _impressed_ _by_ what the little boy had done
知识点：考察be impressed by结构,给.留下印象