As we all know, Jack is experienced _____ the problem of this kind.

When you meet a new word in reading the English papers, you can guess its meaning but needn’t always ______ the dictionary.

We will ________ the old building to make room for the new cinema.

 —How does he get to work?   —He      a bike.—How long does it       him to get from home to the office?—It           him 20 minutes.

(南京市2008—2009学年度第一学期期末调研测试卷) In order to stop poverty, the World Bank has ______ its focus to providing technical assistance and long-term loans to developing countries.