1 Ben feeds the dog every day (否定句)（用now改成現(xiàn)在進(jìn)行時(shí)）
2 My brother has lunch at school （用now改成現(xiàn)在進(jìn)行時(shí)）
3 Let's sit on the grass .)（改成現(xiàn)在進(jìn)行時(shí)）
4 Alice,don't run in the classroom（改成現(xiàn)在進(jìn)行時(shí)）
5 Tom's father is (watching the birds） in the aviary 括號(hào)提問(wèn)