they are offices.怎样改单数句
they are offices.怎样改单数句
they are my friends改单数句
they are good friends 改单数句
Are those oranges?单数句怎样改
Are they bookcase 怎样改为单数句?
They are orange schoolbag改为单数句,怎么改啊!
They are some good dictionaries.改为单数句怎么改
They are my old friends.(改单数句)______________________________
They are waitresses.(改单数句) ____ is a waitresses.
你好、Are they student 改为单数句怎么改?
把they are boxes.改为单数句怎么改
they are some apples 改单数:---------- ------------- ----------