问题:
He ________ his homework ________ Sundays.
[ ]
A. doesn’t, on
B. don’t do, in
C. doesn’t do, on
He ________ his homework ________ Sundays.
B. don’t do, in
C. doesn’t do, on
[ ]
A. doesn’t, on B. don’t do, in
C. doesn’t do, on
参考答案: