题目内容

My retired father is used to ______his two dogs early in the morning.

A. exercise
B. exercising
C. exercised
D. exercises

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You _______quarrel with your neighbors whatever happens.

A. had not better
B. have not better
C. had better not
D. have better not

we must have the work ______by Tuesday.

A. to be finished
B. finishing
C. finish
D. finished

下列程序的输出结果为 __________ 。#include int main( ){int a[3][3]= {1,3,5,7,4,16,13,18,17},sum=0,i,j;for(i=0; i<3; i++)for(j=0; j<3; j++)if(i==0||i+j==2)sum=sum + a[i][j];printf("sum=%d\n", sum);return 0;}

下面程序的运行结果是_______。#include int main( ){int arr[10],i, k=0;for(i=0; i<10; i++)arr[i]=i;for(i=1; i<4; i++)k+=arr[i]+i;printf("%d\n", k);return 0;}