Three times four is/are twelve.中的time是什么词性?what's four ( ) three?中是填写times 还是 time?

Three times four is/are twelve.中的time是什么词性?what's four ( ) three?中是填写times 还是 time? three or four times=three times or four? nine times three is three times out of four是什么意思 翻译：three or four times a week three or four times提问用什么? _______minus three is four. we exercise three or four times a week对three or four times a week提问 He exercises three or four times a week对three or four times a week My father exercises three or four times a week.(three or four times 划线提问） this ruler is three times longer than that one=this ruler is four times_____ _______ _______that one What is three times seven? Three times two is six. Three and four is s_____. three and two is four? Our city is _____ theirsA.four times the size of B.three times larger than选A B错在哪呢? most+students+exercise+three+or+four+times+a+week. Jim surfs the Intenet three or four times a week.