With so many exercises , the students are having a hard time.
A. finished
B. finishing
C. to finish
D. being finishing
网友回答
A. finished
B. finishing
(答案→)C. to finish
D. being finishing
解析:C考察非谓语动词。句义:有那么多的作业要做,学生们日子不好过,这里的不定式充当with复合结构中的宾语补足语。表示finish动作还没有发生。A项表示已经完成,B项表示正在进行。