My brother often _______ e-mails to his pen friends.
TV and computer can our eyes to the outside world.
--- How was your day off?--- Pretty good! I ______ the science museum with my classmates.
______ is too difficult in the world if you put your heart into it.
--- What time is it by your watch?---It ______ 2:00 pm.
Tom didn’t get ready for his speech, so he was very ______ when he stood in front of class.