It's to do____celebrating the first harvest after the settlers from Europe went to live in the USA.这个空该填什么介词?

It's time to It's up to It's up to It's time to it's hard to It`s better to It's nice to 是it's pleased to .还是it's pleasant to. 英语翻译It's 【】 【】 【】 【】to do it's time to rock It's ten to five. It's time to wake It's up to you! It's twenty to seven It's up to you ```````` it's up to u it's up to you now it's up to