in is the largest organ of your body______of three layers; _______are essential to _____your body against diseases,poisons and the sun’s harmful rays or radiations.

The full moon often makes her _________ her hometown and she can’t help________.

going for a picnic next Sunday, and I’dlike you to join us.—____________！I have to seemy grandmother. She has been ill for two weeks.

My are teachers.

_______ it is very hot in Chongqing in summer, people still love to eat hot pot. It is the most popular food in the city.