Andy has _______ for five years. Five years _________ a long time.
When you read a book, you should make a mark______you have some promble .
-- How did you find your trip to Huangshan?-- ______ .
. He doesn’t like vegetables very much, and_______fruit, he never touches it.
Some of the heat near the surface of the earth _____ electricity.
_______we’ll go camping tomorrow depends on the weather.