Tourists ____ pick wild flowers. You ____ swim in the unknown places. You ____ help animals in danger. Tourists ____ make fire in the forest. Tourists ____ cut down trees.. You ____ drink water from the river. Tourists ____ hunt animals in the wild. You ____ wear comfortable shoes You ____ help your parents. He ____ walk his dog twice a day.

should shouldn't

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？