Someone _____ it twenty years ago.为什么用stole 而不用has stolen?
Someone _____ it twenty years ago.为什么用stole 而不用has stolen?
It was stolen twenty years ago when
it was stolen twenty years ago 这句话中,为什么stolen后没有介词
someone stole my watch.someone has stolen my watch.
It has been years since I returned home,为什么since用,而不用when?分不
Twenty-five years ____,为什么用later 不用after
he has been married for six years.为什么用has been married 而不用ha
They _____ know each other almost twenty years ago.
someone is knocking at the door.___must be Tom.为什么用he而不用it?
The hero has been dead for two years.为什么用dead ?而不用died ?
It is 3 years since he joined the army.为什么用is不用has been
he is not the man ____he was twenty years ago.为什么不可以用that