__________ a strange plant! I've never seen it before.
—Do you know the song Gangnam Style.—Of course. It __________ interesting.
__________ the main square, we saw a statue of about 15 meters in height.
It's the second time that I __________ in Beijing. What great changes! It's years since I __________ here last time.
My cousin graduated from a normal university ten years ago and __________ as a teacher ever since.
He asked __________ for the violin.