Li Lei is a middle school student． He is a good boy． Uncle Wu lives (41) him．Uncle Wu has (42) children and he can-t see (43) ．He works in the factory near Li Lei's school． He goes to work at 7:30 in the morning and (44) home at 4:30 in the afternoon．

Li Lei goes to school at 8:00 in the morning and comes home at the (45) time as Uncle Wu in the afternoon．(46)   weekdays Li Lei gets up early to take Uncle Wu (47) the factory． After school he takes Uncle Wu home． On Sundays Li Lei helps Uncle Wu (48) the house and do some   (49) ．Uncle Wu thanks Li Lei very much．He says，"Li Lei is a good boy． He (50) my son．"

41．________