I don't really work here.I ( ) until the new secretary arrivers.a.just help outb.have just helped outc.am just helping outd.will just help outwhy?
问题描述:
I don't really work here.I ( ) until the new secretary arrivers.
a.just help out
b.have just helped out
c.am just helping out
d.will just help out
why?
答