When and why you came ____ .A.is unknown B.are unknown这不应该是两件事吗？什么时间，和原因。谓语应该用负数啊？还有就是怎么辨别类似的主语啊

you wanna cam More and more Americans go to work on bikes.Do you know()?A.where B.why C.when D.why When is the last time you cried and why?用英语回答 If you could go back in time to any date,when would it be and why? Why be you ,When you can be I hate it when you're sad and you have no idea why,but you just 求翻译 when where who what why and can you open web cam you have cam什么意思 Why not_____help when you were in trouble? why pay now when you can pay 1.Sometimes it is necessary to be careful_____the right date to sit for a test.A.when choosing B.when you will choose C.when you have chosen D.when you chose选哪一个and WHY? 英文翻译And when I leave you will finally understand, why storms are named after people.求翻译最后一句 . When you choose from our open positions, what is your base for your priority setting and why?什么意思啊 Why were you and your friend laughing behind my back when we were walking together the other day? ---____do you study English?---I practice____in and out of class.第一个空的答案范围Why,When,What. 英语翻译Do you know why my heart choose youDo you know why i accept your fire?Do you know why I stay in love with you?And i will continue my life journey with youDo you know why when you are far away I can not：Forget your eyes and love after yo when you laugh,you will open your mouth and show your teeth.The healthier those teeth are,the h______ you look,Why is that?