问题
选择题
单项选择。
______ ______ are they? They are red, green, yellow and grey. [ ]
A．Which colour
B．What colour
C．Which colours
D．What colours
答案
答案：D
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单项选择。
______ ______ are they? They are red, green, yellow and grey. [ ]
A．Which colour
B．What colour
C．Which colours
D．What colours
答案：D