Piano,are,on,songbooks,the,there,some.连词成句an,to,I,want,be,engineer.连词成句we,shall,to,go,by,the,supermarket,minibus(?)连词成句you,now,are,free(?)连词成句late,the,we're,for,party(.)连词成句the,in,who's,boy,the,tree(?)连词成

Piano,are,on,songbooks,the,there,some.连词成句an,to,I,want,be,engineer.连词成句we,shall,to,go,by,the,supermarket,minibus(?)连词成句you,now,are,free(?)连词成句late,the,we're,for,party(.)连词成句the,in,who's,boy,the,tree(?)连词成
Piano,are,on,songbooks,the,there,some.连词成句
an,to,I,want,be,engineer.连词成句
we,shall,to,go,by,the,supermarket,minibus(?)连词成句
you,now,are,free(?)连词成句
late,the,we're,for,party(.)连词成句
the,in,who's,boy,the,tree(?)连词成句
Shanghai,train,excuse,is,for,this,me(?)连词成句

Piano,are,on,songbooks,the,there,some.连词成句an,to,I,want,be,engineer.连词成句we,shall,to,go,by,the,supermarket,minibus(?)连词成句you,now,are,free(?)连词成句late,the,we're,for,party(.)连词成句the,in,who's,boy,the,tree(?)连词成
I want to be engineer
Shall we go to the supermarket by minibus?
Are you free now?
We're late for the party.
Who's the boy in the tree?
Excuse me,is this train for Shanghai?

There are some songbooks on the piano.
I want to be an engineer.
Shall we go to the supermarker by minibus？
Are you free now?
We're late for the party.
Who's the boy in the tree?
Excuse me,is this Shanghai train?