but for some reason it could not be used then 这里的then是为了接下句吗

but for some reason it could not be used then 这里的then是为了接下句吗 but for some reason it could not be used then. But for some reason it could not be used then.last year,howe for some reason it cold not be used then It could not be used then.It wasn't ___to use it. Then what is it used for,do you know?这里为什么是is it?而不是it is? it couldn't be used then lt could't be used then.lt wasn't ___to use it.a.able b.allo Then what is it used ,do you know?这里为什么是is it?而不是it is? Then he spoke slowly, but I could not understand him I see him every now and then,but not often.这里的every是什么用法? 求教!It couldn't be used then.It wasn't____to used it