So if Mary had not chosen to really want to know howto read books she would never have learned her letters at all. Nothing was done in its regular ...
He had taken the exam last year. 他去年已经考过这个试。 I had been to America.我曾去过美国。 They had visited a doctor. 他们已经看过医生了。 A thie...
【如图，OK？】 用if（表示如果）造10个句子 if you work hard ,you will get good marks.if i were you ,i would work harder at my lesson.if you had fol...
