Only _____ as an interpreter _____ how important it was to practise speaking English.
| A．when did I work…I realized | B．when did I work…did I realize |
| C．when I work…did I realize | D．when I worked…did I realize |
---- Can I look at the prices for a few more minutes before I order?
---- Of course. _____________, sir.
| A．Make yourself at home | B．Enjoy yourself |
| C．It doesn’t matter | D．Take your time |
Great honors will be given to ______ have successfully rescued the victims of the earthquake.
| A．those who | B．whoever | C．who | D．whom |
. Is this the reason ______ at the meeting for his carelessness in his work?
| A．why he explained | B．he explained | C．what he explained | D．how he explained |
_______ the house prices have risen sharply, the number of buyers is as great as ever.
| A．Despite the fact that | B．In spit of what |
| C．Regardless of | D．Contrary to |
The traffic problems we were looking forward to seeing ______ should have attracted the government’s attention.
| A．solving | B．solve | C．to solve | D．solved |