_______ , the car stopped all at once．
| A．Seeing a boy lying on the ground |
| B．On seeing a boy sitting on the ground |
| C．The driver saw a boy standing on the road |
| D．The minute the driver saw a boy seated on the road |
Only by bringing in new management, I guess, _______ our hotel from bad to worse.
| A．we can prevent | B．we have prevented |
| C．can we prevent | D．have we prevented |
In order to improve my English, I have made it a part of my daily _______ to listen to BBC every day.
| A．course | B．regulation | C．access | D．routine |
—_______ you write so well?
—By reading and keeping diaries every day.
| A．How is it | B．What is it |
| C．How is it that | D．What is it that |
Please _______ that stamp, for it is quite rare nowadays.
| A．turn to | B．come up to |
| C．attend to | D．hold on to |
— Is it convenient for you to have a drink together this evening?
— Sorry. That’s _______ I will be meeting an important guest at the airport.
| A．because | B．when | C．why | D．what |