题目内容

It was already 10:50 in the evening ______ they arrived at the hotel.

A. when
B. while
C. once
D. since

查看答案
更多问题

Peter, ______ for 2 months to find a job as a manager, eventually took a position at a local advertising agency.

A. struggling
B. struggled
C. having struggled
D. to struggle

He donated most of his savings to the school damaged by the earthquake, ______ the students to return to their classrooms.

A. enabling
B. having enabled
C. to enable
D. to have enable

The 3 college students did what they could do ______ the two children, although they themselves were put in danger.

A. rescue
B. rescued
C. to rescue
D. rescuing

_______ they become dirty, the lakes are not able to clean themselves.

A. Once
B. Since
C. As
D. Because

答案查题题库