There _____ a lot of coal mines in the south, but many of them have been closed or are _____ be closed.
| A．use to having; about to | B．used to be; to |
| C．use to having; going to | D．used to be; supposed to |
At last, they reached _______ there was no grass and trees.
| A．to the place where | B．where | C．the place which | D．in which |
–Have you talked to him?
--Yes. _________ I met him in Beijing on business.
| A．For the first time | B．The first time | C．First time | D．From the first time |
In the good care of the nurses, the boy is_____ recovering from his heart operation.
| A．fluently | B．actually | C．frequently | D．gradually |
In the _____ of rain in the process of planting trees, you must stop.
| A．event | B．matter | C．affair | D．business |
-- Are you glad to hear from her?
--Of course. _______I dreamed about her several nights.
| A．What if | B．That is to say |
| C．In other words | D．Believe it or not |