He was about to leave ___ Tom arrived so he stayed a little longer.
| A．when |
| B．while |
| C．as |
| D．before |
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 |
—Did Linda see the traffic accident?
—No，no sooner _______ than it happened.
| A．had she gone | B．she had gone |
| C．has she gone | D．she has gone |