用since的话,本句应该是:It is ten years since he joined the army.
用since的话,本句应该是:It is ten years since he joined the army.
It is three years since he joined the army.为什么是用joined而不是用ha
It is ten years since he ____(join) the army
It is 3 years since he joined the army.为什么用is不用has been
since,the,is,he,ten,Party,joined,years,it (连词成句)
看到一句It is 3 years since he joined the army.和一句It has been th
It _____ ten years since he left the army.
It _____ ten years since he left the army .
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.
连词成句since,the,is,he,ten,party,joined,years,in(.)
it is four years since I joined the army.这里的is,为什么不用was呢?