题目

给下划线的字的正确读音。彩色(cǎi cài) 绿草(lù lǚ)更红(gèn gèng)数不清(shù shǔ) 数学课(shù shǔ)数一数二(shù shǔ) 答案：【1】cǎi【2】lǜ【3】gèng【4】shǔ【5】shù【6】shǔHe has gained ______ rich work experience there and is showing _______ great progressA.a; aB.a; /C./; aD./; /