Module4Module4GrammarInfinitive1.不定式的用法2.不定式的时态与语态1.Tomasteraforeignlanguageisnecessaryforacollegestudent.2.Itisgoodmannerstohelppeopleintrouble.1.作主语1.Yourjobistowashdishes.2.AllIdidwas(to)givehimsomeadvice.2.作表语当作表语的不定式解释主语中do的...

时间:2024-11-19 19:07栏目:幼儿/小学教育