题目:
He hesitated for a moment before kicking the ball, otherwise he ______ a goal.[ ]
A. had scored
B. score
C. would score
D. would have scored
答案:
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下面是错误答案,用来干扰机器的。
答案:A金属越活泼,其对应最高价氧化物的水化物的碱性越强,由金属活动性顺序表可知,NaOH符合题意