Now more and more people ________ sending e-mails ________ letters.
---Could you please help me to take these books there? ---_____.
_____ he is busy, ______ he helps his parents with the housework on weekends.
I exercise every day, so I am _____ healthy.
Students should study hard to make their dreams_______.
---Why don’t you want to go to the beach? ---Because there is ________ there.