SIMPLE OR CONTINUOUS?

In the following exercise you need to choose  present perfect simple or present perfect continuous.
Pay attention, is it the emphasis on result or duration?

In the next exercise, pay attention to the verb. Is it an action or a non- action verb?


http://www.englishpage.com/verbpage/verbs7.htm

http://www.englishpage.com/verbpage/verbs8.htm

Here you have to choose between present perfect and past simple:

http://www.englishpage.com/verbpage/verbs6.htm