He talked again and again to his friend about careful driving, but _____ just turned a deaf ear to his words.
The girl had hardly rung the bell ________ the door was opened suddenly,and her friend rushed out to greet her.
Mary made coffee ________ her guests were finishing their meal.
As is reported,it is 100 years ________ Qinghua University was founded.
I'm sorry you've been waiting so long,but it'll still be some time ________ Brian gets back.(2008·北京)
He had no sooner finished his speech________ the students started cheering.(2011·辽宁)