It is ten years since the house （）（build）动词填空...

It is ten years since the house （）（build）动词填空... It is ten years since the house （）（build）动词填空.是has built 还是h It has been five years since the hospital （）（build） 动词填空. It is ten years since he ____(join) the army 1.It took the workers ten years to build the palace.(改为同义句） 用since的话,本句应该是：It is ten years since he joined the army. it's ten years since she ( )(leave）SCHOOL.the final bus( )(b 连词成句since,the,is,he,ten,party,joined,years,in（.） lt is ten years since l joined the Party.（改为简单句） since,the,is,he,ten,Party,joined,years,it (连词成句) 15、 It _____ ten years since he left the army .A.is B.has C. It _____ ten years since he left the army . 　A. is B. has C.