By the time I pay off all the money that I borrowed from the bank when I bought my house, I will have been ________.
| A．in debt | B．into debt | C．off debt | D．out of debt. |
After describing the planned improvements, she went on _______ how much they would cost.
| A．to explain | B．explaining | C．to be explaining | D．having explained |
The film star walked to his car, ______ a crowd of journalists.
| A．followed by | B．following by | C．to follow | D．to be followed by |
_______ on time, this medicine will be quite effective.
| A．Taking | B．Being taken | C．Taken | D．Having taken |
When I handed the report to John, he said that George was the person _______.
| A．to send | B．for sending it | C．to send it to | D．for sending it to |
He is a man of few words, and seldom speaks until _______ to.
| A．spoken | B．speaking | C．speak | D．be spoken |