题目

He was＿＿＿today, but was asked to stay for＿＿＿week. A.to have returned；another    B.returning；one more C.returned；another              D.to return；other 答案：Abe to＋have done结构,表示本应该做某事,但事实上却没有做。--- I hear that Hu Jintao will come to Nantong because the Sutong Bridge is open to traffic soon.--- Do you know _______?A．what will he talk aboutB．where will he give a talk C．how will he comeD．when he will arrive