It’s a chicken-and-egg question. I can’t answer you now.

I’ve ____ met her before, so I don’t know her.

Li Mei gets up _____ six o’clock every day. [ ]

How old is your daughter? — ______ . We had a special party for her _____ birthday last week.

As you may have found, the Chinese language is ______ in idioms and proverbs. –Yes, I often get ______.