He doesn’t have the habit of planning his travel expense, so he won’t know what to do _______ the money runs out.
| A．once | B．before | C．unless | D．though |
At the end of last class, the English teacher requested that the homework _____ this morning.
| A．be handed in | B．handed in |
| C．would be handed in | D．had handed in |
Although they had been away for many years, they _____each other as soon as they met.
| A．understood | B．realized |
| C．recognized | D．found |
—What did he say?
—He asked _____ for the book.
| A．how much did I play | B．I paid how much |
| C．how much I paid | D．did I pay how much |
It was the first time that Mary _____a play , so she felt a little nervous.
| A．has taken | B．had taken |
| C．would taken | D．was taking |
The old man walks_____ dog after _____ supper every day.
| A．the ; / | B．/；/ |
| C．the ;the | D．a ;the |