that is the day ( ) I'll never forget.A.which B.on which c.in which D.when

Today is the day that the sun shines The night is long that never finds the day. Is this museum that you visited the other day? Have a nice day,Believe that the future is beautiful This is the day that we ap preciate all the things that moms do for. National Day is an exciting festival.All the people are getting very excited that day here is one day of the year that is second to none,the Chinese New Year when the day is the day is .The day is coming For the Day is write it on your heart that every day is the best day of the year.---Ralph Waldo Emerson 怎么翻译 the day i afraid is coming soon.有错吗''the day 后面如果加that是不是要加句子? That'll be the day. this is the museum __you saw the other day 为何用that this is the museum __you saw the other day..that wherein where on which is this the museum that you visited the other day 的意思 This is the very watch that I lost other day.the very代表什么?