问题
选择题
This kind of glasses made by experienced craftsmen ______ comfortably.[ ]
A. is worn
B. wears
C. wearing
D. are worn
答案
答案：B
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This kind of glasses made by experienced craftsmen ______ comfortably.[ ]
A. is worn
B. wears
C. wearing
D. are worn
答案：B
的酸碱性，下列说法正确的是 [ ]