Latihan Present Perfect Continous Tense

Exercise 1         http://www.englishgrammarsecrets.com/presentperfectcontinuous/exercise1.html


Exercise 2         http://www.englishgrammarsecrets.com/presentperfectcontinuous/exercise2.html


Exercise 3         http://www.englishgrammarsecrets.com/presentperfectcontinuous/exercise3.html