My father has worked there ___________.

（2014届江西省重点中学盟校高三第二次联考英语试卷）34. He wrote a long letter ___he explained what had happened in the accident.

When the expression first came into being, people refused （拒绝）to use it but _____ they began to accept it

Could you help me with housework _____________ you are free today

Sometimes we can hardly _____ the noise made by the fixing of the lift.