题目

      the meeting himself gave them a great deal of encouragement. A.The president will attend     B.The president to attend  C.The president attended    D.The president’s attending   答案：D“The president’s attending the meeting himself”是现在分词的复合结构，在句子中作主语。  —_______ you often read books in the library? ( )—Yes, I do. I like reading books.A.DoB.DidC.Does