A: Listen! Is it Linda singing in the next room? B: No, it __________ be her. She is still in Shanghai.
--- _________________? --- I have a headache.
-- Let’s go to the KFC for lunch. ---No, eating too much junk food is an ____ habit.
---I can’t find my pen. ---___ you put it in your book.
---____ do you usually do on weekend? --- I usually play soccer.
---My son hardly ever eat vegetables ____ it’s good for his health. ---That is not a good habit.