you mustn't play football on the road改为同意句
you mustn't play football on the road改为同意句
注意!不要改成祈使句!（就是Don't play football on the road那句不要!）
You ____ _____ _____football on the road.
注意!不要改成祈使句!（就是Don't play football on the road那句不要!）
You ____ _____ _____football on the road.
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你能帮帮他们吗