—Would you likecamping with me?—I’d like to. But I’m busymy homework.A. to go; to do B. to

问题补充：

—Would you likecamping with me?

—I’d like to. But I’m busymy homework.

A. to go; to do

B. to go; doing

C. going; to do

D. going; doing

答案：

A. to go; to do

(答案→)B. to go; doing

C. going; to do

D. going; doing

解析：不定式做句子成分表示具体的将要进行的动作，现在分词做句子成分表示正在进行的伴随性动作，动名词表示抽象动作。句意：你愿意和我一起去露营吗？——我想去，但是我忙着做作业呢。结合语境可知上文是不定式做宾语，下文为现在分词作伴随状语，故选B。