问题：
—Would you like to come to my party tomorrow?
—I ________ join you, but I am afraid I will be a little late.
[ ]
A. am not willing
B. am willing to
C. am afraid of
D. am sorry to
—Would you like to come to my party tomorrow?
—I ________ join you, but I am afraid I will be a little late.
B. am willing to
C. am afraid of
D. am sorry to
—I ________ join you, but I am afraid I will be a little late.
[ ]
A. am not willing B. am willing to
C. am afraid of
D. am sorry to
参考答案：