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Muriel G. TEFL IELTS
职业教师
Present Perfect Continuous (Present Perfect Progressive)
6) David and Jim _______________ for a few hours.
a. has been fishing
b. have been fishing
4 人已做了小测试
# # # # #
2026年4月2日 21:37
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Muriel G. TEFL IELTS
语言技能
中文, 英语, 菲律宾塔加洛语, 西班牙语
学习语言
中文, 西班牙语
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