The Olympic mascots are the Olympic flame, the panda, the Tibetan antelope and the swallow, _______ a close group of friends.
Don’t speak all at once, please .
The topic . Let’s change it .
to his teaching work, she has no time to take care of her own child.
The sand in the river is increasing these years. We must to protectthe environment.
The idea puzzled me so much that I stopped for a few seconds to try to .