the exams to worry about I have to work really hard this weekend.A. AsB. ForC. WithD. Bec

问题补充：

the exams to worry about, I have to work really hard this weekend.

A. As

B. For

C. With

D. Because of

答案：

A. As

B. For

(答案→)C. With

D. Because of

解析：考查with复合结构，with+宾语+不定式做宾补，表示有事情要做，with表示伴随状态，符合题意：有两场考试要担心，我这周末确实得认真了。选C。