According to a new study by a British university , learning second language can lead to increase in your brain power .
| A．a ; the | B．不填; the | C．a; an | D．the ; an |
I like traveling by sea it is not rough.
| A．unless | B．in case | C．as long as | D．although |
For miles around me there is nothing but a desert, without a single plant of tree .
| A．in sight | B． on the earth | C．at a distance | D．in a place |
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 |