问两道英语选择题,谢谢啦!1.He has huge collections of books,( )from the
问两道英语选择题,谢谢啦! 1. He has huge collections of books,( )from the Chinese classics to books on contemporary art. A.range B.ranged C.to range D.ranging 2. He put the letter into an envelope ,( ) a stamp on the envelope and posted it. A.stick B.stuck C.sticking D.to stick 请解释一下.考的是什么知识点?