The thinker, head in hand, ________ his right arm on his left knee, gained its current title when________ in Paris in 1890.[ ]

Everybody except the two young boys _______ shocked bythe bad news. People looked at each other in ________.A．was, silence

Most girls like talking about pop stars _______ boys like playing computer games.

The lovely girl is from Class6. ____ name is Alice.

Now the air in our city is _______ than it used to be.Something must be done to stop it.