We may find that learning a foreign language does not have to be________learning our mother tongue,but can in fact be twice ________.
So suddenly_______that the animals in the zoo looked very frightened during the total solar eclipse.
Imagine what today’s life would be like if Alexander Bell_______the telephone more than 130 years ago!
Parents must allow their children to receive_______education by law.
-----What do you suppose_______her look so upset ?----- _______by her boyfriend again.
Our company’s development will not stand_______of anyone, nor will it threaten anyone.