Hello! I'm very glad to see you. When_________ you_________ here?
The global financial crisis(金融危机) has made many people_______ their money.
The question is_________ that nobody can answer it.
The doctor did what he could_________ the dying man.
–Would you like some coffee or tea?–________. Water is OK.
The young man used to_______ to work, but he is used to________ to work now.