7．Let's work together to cope ________ the present challenge.

　　8．His success depended ________ his hard work.

　　答案：1.to　2.over　3.down　4.away　5.out　6.off

　　7．with　8.on

Ⅲ.句型转换

　　1．Shown around the city, we were impressed by the city's new look.(表时间)

　　________________， we were impressed by the city's new look.

　　2．Tired out, they stopped to have a rest.(表原因)

　　________________， they stopped to have a rest.

　　3．Considered from this point of view, the question will be of great importance.(表条件)

　　________________， the question will be of great importance.

　　4．Warned of the danger, he still went skating on the thin ice.(表让步)

　　________________， he still went skating on the thin ice.

　　5．The professor entered, followed by his students.(表伴随)

　　The professor entered, ________________.

　　答案：

　　1．After we had been shown around the city

　　2．Because they were tired out

　　3．If it was considered from this point of view

　　4．Though he was warned of the danger

　　5．and was followed by his students

Ⅳ.单句改错

　　1．The boy rushed into the room, his right hand held a book and his face covered with sweat.

　　________________________________________________________________________

　　2．Some of the people inviting to the party can't come.

________________________________________________________________________