问题
选择题
| Compasses are not often used in our maths class. However, _____ is often used. |
| A. a compass B. a pair of compass C. a pair of compasses D. compass |
答案
答案：C
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| Compasses are not often used in our maths class. However, _____ is often used. |
| A. a compass B. a pair of compass C. a pair of compasses D. compass |
答案：C