单项选择题

Had he worked harder，he （）the exams.

A．must have got through
B．would have got through
C．would get through
D．could get through

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单项选择题

A．child
B．childrens'
C．children
D．children's

未分类题

include ＜stdio．h＞ main() { int a=0，b，c=0，i； for(i=0；i＜=4；i+=2) {a+=i； b=i+1： c+=b： } printf('a=%d n'，a)； printf('C=%d n'，c)； } 程序运行结果为：