_    we were walking along the river, we heard a cry for help.

—How do you like the story?—Interesting, _______ the end of it is not perfect.

–Mr Green,      can we do to protect ourselves when facing dangerous attackers in public places?–Always remember “run, hide and fight” when you are in danger.

We arrived ______ late that there were no seats left.

Hurry up.  The car is coming. Wait a minute, Don’t cross the street _____the traffic lights are green.