It’s not ____ whether he’ll return the book to me soon.
A. certain
B. certainly
C. sure
D. surely
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如有如下说明：inta[10]={0,1,2,3,4,5,6,7,8,9};则赋值不为9的表达式是__________。
A. a[10-1]
B. a[8]
C. a[9]-0
D. a[9]-a[0]
C语言中，对全部数组元素赋初值时，必须指定数组长度
A. 对
B. 错
Read About the video. Which of these sentences about Padaung women do you think is true?
A. They only wear the brass rings for special occasions.
B. They wear the rings during the day, but take them off when they sleep at night.
C. They wear the rings all the time and only very rarely take them off.
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