The Olympic mascots are the Olympic flame, the fish, the panda, the Tibetan antelope and the swallow, _______ a close group of friends.
I’m Chinese and I do feel ________ Chinese language is _____most beautiful language. What’s your opinion?
.It _____we had stayed together for a couple of weeks ____I found we had a lot in common.
.In my opinion, life in the twenty-first century is much easier than _______.
.He said he _________ experiments those days.
There was a heavy curtain ________ the light.