They are my old friends.(改单数句)______________________________
They are my old friends.(改单数句)______________________________
they are my friends改单数句
they are good friends 改单数句
They are my friends.改为单数句
They are my good friends改为单数句
They are our friends变单数句
They are old workers.(改为单数句)
They are old insects单数句
They are old monkeys?改成单数句
They are old jeeps. (改为单数句)
My friends like playing in the park (改 否定句 一般,肯定) They are (
Those are my friends 改为单数句