一、单句语法填空
1.Every failure one meets with (add) to one’s experience in the future.
答案adds
2.If you want to know his telephone number,you may refer the telephone directory.
答案to
3.He took away the bag not (belong) to him by mistake.
答案belonging
4.The father as well as his three children (be) going skating on the frozen river every Sunday afternoon in winter.
答案is
