Things have been changed by the following EXCEPT______.A．the use of radar systems and auto

听力原文：There have been many great inventions, things that change the way we live. The fi

Concerning changing the situations brought about by things we regret on, Reverend holds th

Things might have been much worse if the mother______on her right to keep the baby.A．has b

In the last two hundred years there have been great changes in the method of production of

Things might have been much worse if the mother ________ on her right to keep the b

Things might have been much worse if the mother______on her right to keep the baby.A.has b