Question

1.Ba's hobby/collect stamps

2.He/start/collect stamps/when he/10 years old

3.Ba often/buy stamps from the post office and/receive stamps/friends

4.He/find/collecting stamps/interesting 

5.He/hope/he/have/more stamps/the future

Answer 1

1.Ba's hobby/collect stamps

=>BA'S HOBBY IS COLLECTING STAMPS

2.He/start/collect stamps/when he/10 years old

=>HE STARTED COLLECTING STAMPS WHEN HE WAS 10 YEARS OLD

3.Ba often/buy stamps from the post office and/receive stamps/friends

=>HE OFTEN BUYS STAMPS FROM THE POST OFFICE AND RECEIVES STAMPS FROM FRIENDS

4.He/find/collecting stamps/interesting 

=>HE FINDS COLLECTING STAMPS INTERESTING

5.He/hope/he/have/more stamps/the future

=>HE HOPES HE WILL HAVE MORE STAMPS IN THE FUTURE