______the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
Mother ______ the baby gently on the bed and then bent down to pick up the toy _____ on the ground.
Watch out ______ cars when you cross the road.
_______ all these people have in common is ________ they have succeeded.
A fire _______ in the lower story during the midnight and soon the whole building was in flames.
Mary wanted to travel around the world all by herself, but her parents did not _______ her to do so.