--Thiskindofsportsisexciting. --Yes,butit'sdangerous....
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问题详情:
--This kind of sports is exciting.
--Yes,but it's dangerous.One can't do it ____ he or she has got some training.
A.if B.after C.when D.Unless
【回答】
D
知识点:连词
题型:选择题
标签:
butitsdangerous.
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