______, the concert began.
| A．The listeners having taken their seats | B．Having taken their seats |
| C．Having taken their places | D．Taking their seats |
It was easier to move about the fringe of the crowd.
| A．at | B．in | C．on | D．to |
the trees in that thick forest are so dose together that there is hardly any room to move them.
| A．between | B．in | C．among | D．across |
The speech by the mayor of Shanghai before the final voting for Expo 2010 is strongly impressed my memory.
| A．to | B．over | C．by | D．on |
This new type of TV set is very thin, and it is than a one-hundred-page book.
| A．less | B．not thinner | C．no thicker | D．no thinner |
Jack’s brother is than him.
| A．old; elder | B．elder; older | C．old; eld | D．elder; younger |