it __ ten years since he __here

初二英语、练习选择It is ten years since Jim left school .ow he has __ it __ about fifteen years since he __ his hometown It is ten years since he ____(join) the army It _____ ten years since he left the army. It _____ ten years since he left the army . 用since的话,本句应该是：It is ten years since he joined the army. __ ten years since I left my hometown .A.There are B.It is C His health is improving.It's ten years since he _____. it is ten years since he became a doctor同义句 It is ten years 是before还是since还是until he come back It is ten years since he smoked or didn't smoke since,the,is,he,ten,Party,joined,years,it (连词成句)