问题补充:
Jim spends about 2 hours homework, so he has only half an hour his hobbies every day.
A. for; of
B. on; with
C. on; for
D. in; for
答案:
A. for; of
B. on; with
C. on; for
D. in; for
解析:for为了,对于;of关于,……的;on在某方面;with带有,伴随,和;in在某个范围。句意:吉姆花了2个小时做作业,因此每天他只有半个小时来进行他的爱好。结合语境可知前一空表示在某个方面,下一空表示目的对象,故选C。