( )_four years since he graduated from college.A.there have been B.it has C.it is D.it wasThe old man _ six years ago.A.has died B.was dead C.has been dead D.died

( )_four years since he graduated from college.A.there have been B.it has C.it is D.it wasThe old man _ six years ago.A.has died B.was dead C.has been dead D.died since ten years since ten years ago区别 It_______ten years since we last it's years since i 可以说since many years before since years ago用于什么时态 SINCE TWO YEARS AGO的同义句 ten years _____(pass) since then. It three years since I smoked.翻译 It is five years since he smoked i have been skating since nine years since two years ago与since two years的区别,分别用在什么时态? He has collected stamps since ten years age 对since ten years age 提问用什么? I have known sandy since three years ago以 since three years ago ,提问 she's been swimming since she wassix years ago划线提问since she wassix years ago BOb has been collecting kites__?A since 4 years agoB since he was ten years oldC for 4 years We have lived in this city _____A five years agoB for five years agoC since five years agoD five years The hospital has been open ____ A.for ten years before B.since ten years agoC since ten years D ten years ago