--Excuse me, ___________is it from here to the hospital? --It’s not far, about 20 minutes’ walk.
-----_____ do you exercise? -----Once a week.
Which is _____, the sun or the moon?
Lily and Lucy are twins, they _____ good girls, they often help others.
Your book is easier than _____.
Somebody says that a friend _____ a mirror, and I think so.