—Did you know ______ just now?—Their plane didn't take off on time because of the thick fog.
Yao Ming is well-known _________ a player. He is good _________ playing basketball.
There is ________ with my computer. It doesn’t work now.
This is _________ toothbrush and that is _________.
—Which coat would you like? —I’d like _________ orange one with white flowers on it.
—Sally, I’m so worried about tomorrow’s exam that I can’t fall asleep. —_________. You’re sure to pass it.