It is bad        for a man to smoke in public places where smoking is not allowed.

When questioned, he was too shocked to give a（n）      of what had happened when the attack took place．

 Film is not only a universal entertainment mode in modern times, but also an important ________ for cultural communication.

Her clear and elegant prose ______ her _______ from most other journalists. 

He hasn’t found a job yet because he had no ________ to anybody who could help him.

Be sure to make the invitations sent to ____ has taken part in the competition.

You’d better         the instructions so that the children can understand them.

 It's a common _______ for young people to pay a New Year's visit to their elders.

 —Jack can't concentrate on his lessons recently.—Yes, that might ____ why he did so badly in the last test.

At the end of the race his legs ____ and he fell down on the ground.

 I ________ the main point of the speech and wrote a summary of it.

 The _______ of students in our class are from the country; only five are from cities.

 Don’t try to cheat in the exam; you will never _______ it.

Amazing! Too many private cars are trapped on the highways which is free of charge for the first time, causing heavy traffic jams, some even _______ for several hours.  

As the quality of the city’s air continues to give rise to ________, the residents are encouraged to drive cars less often. 

—Do you need any help，Lucy?—Yes.The job is________I could do myself.

Being a_____person，Aunt Li wouldn’t let anyone or any difficulty stop her.

If you stand by the window，you will get a better_____ of the sea.

Because of the recent bad weather，the work is several weeks behind ______.

Ten minutes later，a bus________and everybody got on it.