I was so lucky that I met ______ European man on Three Gorges Square yesterday, and we had ______ happy conversation.
The teacher told us it was another way of _______ “fast”.
This is the key _____ the door of our classroom. It’s my turn ______ the door.
Everyone in our village likes Harry because he always talks to others ______ a friendly way.
He prefers _______ newspaper to _______ TV on Saturday evening.
—________are you going to do during your holidays? -I’m going on a trip to Hainan.