选哪个,请给出原因.A.used B.has been used C.using D.is using

选哪个,请给出原因.A.used B.has been used C.using D.is using 选哪个,请给出原因.A.proving B.proved C.was proved D.has been proved has been used,has been using的区别 You can ___ my pen.A.use B.to use C.using D.used 语法说明 选哪个,请给出原因A.was she able to B.she was able to C.she has been use,using,used应该选择哪个?为什么? 选哪个,请给出原因.A.are rising B.rise C.had risen D.have been risen Has been in use for many years 可以把use改成used或Using吗?为什么? her used to ------curly hair A.be B.have C.has D.is use used using的区别 My grandmother ______rural life.A．has used to B．used to C．is 选哪个,请给出原因.A.to realize B.realized C.have realized D.realizin