When I am happy, I go to the park. , , I will pass the exam if I work hard., , I won't catch the bus on time unless I leave early. , , When you are very tired, you feel sleepy. , , If it's very cold tomorrow, I will stay at home. , , When we drive our cars, we contribute to air pollution., , If we use public transport more often, it will help to deal with air pollution., .

Conditionals

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

)
恢复自动保存：？