want are your parenrts going to do (on) next monday为什么不用on

want are your parenrts going to do (on) next monday为什么不用on what are you going to do on next holiday? What are you going to do next Monday?怎样回答 What are you going to do on your holiday? what are you going to do on your brithday? are going on we to Monday Beijing连词成句 what do you want to do on your next birthday?怎么回答 are you planning on going a___ for your next vacation what are you going to do next sunday?(on sunday)改写句子 I'm pla I will contact you on next Monday.用不用on?还是直接next monday? Are you going on a picnic next Sunday going on 换成going to go where are you going on vacation.这是一般将来时吗?为什么不用to?我知道going on