---May I surf the Internet tonight? --- No, you ______. You must do the exercises.
I have never seen the word ______ that way before.
I appreciated ____ the opportunity to study abroad two years ago.
The International Day against Drugs, aimed at warning people to keep away from drugs, _________ on June 26th every year.
. Progress so far has been very good. _______, we are sure that the project will be completed on time.
Only when you leave your parents for college education _______ how much you love them.