问题
选择题
Look! They _____ soccer _____ the playground. [ ]
A. play; on
B. are playing; in
C. playing; in
D. are playing; on
答案
答案：D
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Look! They _____ soccer _____ the playground. [ ]
A. play; on
B. are playing; in
C. playing; in
D. are playing; on
答案：D