问题补充：
—I wonder if you can join us in the picnic this weekend.
—, for I have too much homework to do.
A. I have no choice
B. Id love to
C. I don like it
D. Im afraid not
答案：
A. I have no choice
B. Id love to
C. I don like it
(答案→)D. Im afraid not
解析：可联系答.案.网客服索取。
