很高兴为你解答.

保证正确率~!



正确答案是：
It's  about time that we 【 should】 go to supper for we will have a meeting  to attend this evening.
或
It's  about time that we 【 went】 to supper for we will have a meeting  to attend this evening.
 我们是时候去吃晚饭了,因为我们今天晚上要开会.
解析：
 It is high / about time that sb should do sth = It is high/ about time that sb did sth
某人是时候做某事了.
注意：should 不可省.


祝开心~!