We are in the park. We see many signs.

【1】Don't ________the birds in the park.

【2】Don't ____________________________________________.

【答案】

【1】feed

【2】litter

【解析】

公园里的标志可以是：不要喂鸟。Don't feed the birds in the park.不要乱扔垃圾。Don't litter.故答案为feed；litter。