问题
选择题
we finished our homework on time(按时) .[ ]
A. Luckily ; doing
B. Lucky ; doing
C. Luckily ; to do
D. Lucky ; to do
答案
答案：A
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we finished our homework on time(按时) .[ ]
A. Luckily ; doing
B. Lucky ; doing
C. Luckily ; to do
D. Lucky ; to do
答案：A