. We looked forward, only ________ a narrow path ______ to the top of the mountain.

A. to finding...leading      B. to find...leading   C. to find...leads           D. to finding...leads

They agreed to rent the house ______ the roof should be repaired.

A. on condition that                   B. as soon as          C. when                   D. unless

 47. The buses, ____were already full, were surrounded by an angry crowd.

A. most of them    B. most of which       C. which most        D. that most

—You seem to be a secretary.

                   —________. I have been working as a secretary for two years. 

A. So am I                   B. I’m afraid not       C. So I am                   D. I don’t think so

Look! What a mess the room is! In my opinion, it needs ______.

   A. cleaning up      B. being cleaned up    C. to clean up      D. clean up   

短文改错（每小题1分，满分10分）

Now satellites are helped to forecast（预报）the 77．      

weather. They are in the space and they can reach              78．      

any part of the world. The satellites take photos for the      79．      

atmosphere（大气层）because weather formed there. They       80．      

send their photos to the weather station. But scientists 81．      

can see the weather of any part of the world.

       Today nearly five hundreds weather stations in    82．      

sixty countries accept satellite photos. Scientists          83．      

compare the new ones from the earlier ones. Perhaps  84．      

they may find that the clouds have been changed        85．      

during the last few hours. This may mean that            86．      

the weather on the ground may soon change too.       

I’ve heard you       Portia, your middle-school classmate?

       Yeah. We       one and a half months ago.

       A．married; got married       B．have married; got married

       C．have married with; were married    D．got married; were married

Helen devoted herself _______ to her research and became a top scientist in the field of applied physics. 

   A. seriously          B. extremely           C. entirely      D. strictly

He got ____ when he tried to save the child from the ___ house.

A. to burn, burning   B. a burn, burnt    C. burning, burned   D. burned, burning

Wage increases to a certain level will probably help to ______ the average consumers from the effects of higher prices.

A. cushion                       B. reduce                      C. prevent                        D. remove