3．To climb the mountain road is hard work and going down hills is great fun．

2．Heard the music, he began to miss his hometown．　　　　　　　　　

1．Although the unboiling water looks clean, I prefer not to drink it．

10．Don’t use words, expresions, or phrases_____ only to people with　 specific knowledge.

A. being known　　　 B. known　　　　 C. to be known　　 D. having been known

9. He wondered if he could slip out of the lecture hall without anyone_______ .

　A．noticing　　　　 B．noticed　　　　　 C．to notice　　　　 D．being noticed

8．The pilot asked all the passengers on board to remain ________ as the plane was making a landing．

A．seat　　　　　 B．seating　　　　　　 C．seated　　　　　 D．to be seating

7．He looked around and caught a man _____ his hand into the pocket of a passenger．

A．put　　　　 　　B．to be putting　　　　 C．to put　　　　　 D．putting

6．________you have any difficulty in getting tickets，ring this number．

　　 A．Should　　　　　 B．Shall　　　　　　 C．Can　　　　　　　 D．Will

5. The girl________forward to buying a new gold watch．

　　 A．referred to look　　　　　　　　 B．refers to looking

　　 C．referred to looks　　　　　　　 D．referring to look

4. _______I went to Zhang Jiajie，I was shocked by its beauty．I’d say it was the

　most beautiful place I saw ________.

　　 A．The first time; for the first time

　　 B．For the first time; the first time

　　 C．The first time; at first time

　　 D．A first time; for the second time