Yellow is the lemon painted on my car

Yellow is the lemon painted on my car The lemon is rough .对rough提问? Is the key yellow? why is the Yellow River yellow? Yesterday you told me about the blue bludYesterday you told me about the blue blud sky,and all that l can see is just a yellow lemon tree这话有什么来历么 My favourite fruit is the lemon还是lemons? The taste of happiness is like lemon,sour and bitter Yellow,yellow,yellow,Yellow is beautiful,Just like my house near the river.啥意思? The yellow schoolbag is hers.（对The yellow）提问 the small bag is yellow（对yellow提问） The yellow coat is Helen's.(对yellow提问) the jacket is red and yellow.red and yellow提问 The key is yellow.（ ）yellow?Yes( ),No( ） how much is the yellow pen同义句 ()()()()yellow pen(). The lemon in the box is every nice.（对 in the box部分提问） This car is real lemon. That car is a lemon. This is Li Lei’s ___pencil.A、yellow B、a yellow C、the yellow