第1个回答 2013-06-29
It's time to do sth.
第2个回答 2013-06-29
it's a good time to do sth
it's high time to do sth
it's due time to do sth本回答被提问者采纳
第3个回答 2013-06-29
是做……的好时候：
it's a good time to do sth
第4个回答 2013-06-29
it's right time to do sth
it's due time to do sth
第5个回答 2013-06-29
Nice time it is to do sth