-Can you tell me how many colours ______ in a rainbow? -Seven.[ ]A. there are B. are there C. they a
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题目简介
-Can you tell me how many colours ______ in a rainbow? -Seven.[ ]A. there are B. are there C. they a
题目详情
-Seven.
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B. are there
C. they are
D. are they
答案