问题补充:
Jim was so busythe answer from Lily’s paper that he forgot her name into his.
A. to copy, to change
B. to copy, changing
C. copying, to change
D. copying, changing
答案:
A. to copy, to change
B. to copy, changing
(答案→)C. copying, to change
D. copying, changing
解析:可联系答.案.网客服索取。