连词成句since,the,is,he,ten,party,joined,years,in(.)
问题描述:
连词成句since,the,is,he,ten,party,joined,years,in(.)
答
it is ten years since he joined the party.少一个单词it.他参军10年了
句型:it is +一段时间+since+过去时某人做某事多久了