-Can you tell me how many colours ______
题型:选择题
问题:
-Can you tell me how many colours ______ in a rainbow?
-Seven.[ ]
A. there are
B. are there
C. they are
D. are they
-Can you tell me how many colours ______ in a rainbow?
-Seven.[ ]
A. there are
B. are there
C. they are
D. are they