There is _____ evidence that cars have a harmful effect on the environment.

 You should look _______ into the matter to get more information about it.

—Look,Jenny looks funny in a miniskirt.—But it is quite ______among girls nowadays.

 Now that there is much difficulty in finding a satisfying job，why don’t you do a _____ job to support you for the time being?

   —How many people attended the exhibition?—I’m not sure. _____ speaking, a thousand or more.