英语作业本的题...把英语作为母语的国家除了Britain以外
把英语作为母语的国家除了Britain以外,还包括( )人口约3亿,（ ）人口约3000万,Australia,人口约2100万,（ ）人口约330万
Bob has been busy learning swimming recently.He meets Tim and talks about it with him.
Tim:Hey,Bob!Long time no see!What are you ( )to?
Bob:Well,I've been (busy)learning swimming
Tim:(Really)?It's (news)to me.How much ( )have you made?
Bob：Not bad.In ( ).I think I have achieved a lot.I can swim across the river near our school alone
Tim:That's great(How)(long)have you been learning it?
Bob:For about two weeks
Tim:You've done really well.Learning to swim ( )a certain( ).it's not easy to learn the skill in such short time
Bob:That's ture.I've got a good coach.I just hope I can() ()make progress because I want to swim in the sea this summer wacation.To swim in the sea has always been my(dream)
呼..没填的那些麻烦帮我想想