高中英语句法完型填空

34.no one tells us___________,so we need your help.

A．how we should do B．what should we do C．how to do it D．what to do it

55. Because of his        English, he couldn’t talk to the foreigner      .

A．limiting; free B．limited; free C．limited; freely D．limiting; freely

.The dying old man opened his mouth as if ___ something.

A．to say B．saying C．to have said D．was saying.