15.– How cold it is! I wonder how grass survive under such heavy snow. --Don’t worry.There is a lot of air in loose snow which _______.
—How did you sleep last night? — Oh, I slept like a log last night. What does the underlined part mean?
It’s good manners _______ .
Thanksgiving is celebrated_______.
Which of the following is TRUE according to the passage?
—Do you know how people greet each other in the Middle East? —You can expect to be_______ when you meet someone.