问题
选择题
I enjoy ______ my pet dog for a walk ______ every morning. [ ]
A. take; on
B. taking; 不填
C. walk; at
D. walking; in
答案
答案：B
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I enjoy ______ my pet dog for a walk ______ every morning. [ ]
A. take; on
B. taking; 不填
C. walk; at
D. walking; in
答案：B