问题
选择题
When the father came home, the naughty boy pretended _____ his homework. [ ]
A. to do
B. to be doing
C. doing
D. being done
答案
答案:B
When the father came home, the naughty boy pretended _____ his homework. [ ]
A. to do
B. to be doing
C. doing
D. being done
答案:B