问题
选择题
The football game is not interesting. It's very ______. [ ]
A. difficult
B. interesting
C. relaxing
D. boring
答案
答案：D
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The football game is not interesting. It's very ______. [ ]
A. difficult
B. interesting
C. relaxing
D. boring
答案：D
颊尖在
平面上，舌尖离开约1mm
颊舌尖均在
近中舌尖在
近中舌尖离开