his ball is under the table改为复数句怎么改

his ball is under the table改为复数句怎么改 That is his baseball.改为复数句 My tennis ball is (under the bed) His baseball is under the table.（改为否定句） His baseb the pen is on my book.（改复数句） they are under the table.(改一般疑问 our ball is under the table.用（behind the door ）改选择疑问句 the soccer ball is under the table(改为一般疑问句） My ball is on the f under the table his baseball is under the table . under the teacher\'s table there is a ball his baseball under the table 改为一般疑问句his dresser is next to h lts under the table 改为否定句 under the table [ ] A a ball are B.is a ball C are a ball D.