I still remember there used to be _______ underground cave. My friends and I often had fun in_______ 18-foot-deep cave.
---- _______ does your mother watch the Talk Show? ---- Once a week.
Apple juice tastes___________.
That pair of shoes ________ too expensive. Can you show me __________ pair?
There are ________ floors in the mall and on the _______ floor there are many clothes shops.
Which is different from the others?