精选优质文档-倾情为你奉上1. Because he was ill yesterday, so he didnt go to work. ()Because he was ill yesterday, he didnt go to work. ()He was ill yesterday, so he didnt go to work. ()析 用though, but表示虽然，但是 或用because, so 表示因为，所以时，though和but 及because和so 都只能择一而用，不能两者同时使用。2. The Smiths have moved Beijing. ()The Smiths have moved to Beijing. ()析 不及物动词后接名词或代词作宾语时，要在动词之后加上适当的介词；但不及物动词后接home, here, there等副词作宾语时，动词之后不必加任何介词。3. The box is too heavy for him to carry it. ()
