What about on Tuesday?为什么要加一个on,不能去掉啊?

what about () in the park on sunday? What about going bike r_ on Sunday. 翻译what on earth was it about --- do you like --- shanghai A.How ,about B.What ,on C.What ,about D.How ,in what will college students do on vacation?how about you? What about today's trip on the moon? what about go on a field trip 哪里错了 what about _______(see) our teacher late on what about——(sit)on the bed? in the dark about what's going on神马意思? What about going on a trip.同义句,两个!Why____Why____ what about go to the cinema on Saturday morning?改错 What about meeting on sunday afternoon 改为同义句 what about meeting on sunday afternoon的同义句 what about getting on?get要加ing吗 what about trying that pair on?同义句 Ain't about what's waiting on the other side, What about your friends here on Earth then