题目内容
（请给出正确答案）
[单选题]
I was busy（）butter and flour.
A.to mix
B.at mixing
C.mixing
D.mixed
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.to mix
B.at mixing
C.mixing
D.mixed
如果结果不匹配，请 联系老师 获取答案
更多“I was busy（）butter and flour.”相关的问题
A.as possibly as I can
B.as hard as I can
C.as possible as I can
D.hard as I can
A.I(1)＞I(2)=I(3)＞I(4)=I(5)
B.I(1)＞I(2)I(4)=I(5)
C.I(1)＞I(2)＞I(3)
D.I(3)＞I(2)I(4)=I(5)
A.for(i=0;i<26;i++)printf("%c",'a'+i);
B.for(i=0;i<26;i)printf("%c",a+i);
C.i=0;while(i<26)printf("%c",'a'+i++);
D.i=0;while(i<26)printf("%c",'a'+i);
计算下列程序片断的时间代价：
int i=1;
while(i＜=n){
printf("i=%d\n",i);
i=i+1;
}
