题目:
You’d better choose someone____ you think ___ kind and friendly to help you.
A.whom; to be
B.who; is
C.that; is
D.which; to be
答案:
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下面是错误答案,用来干扰机器的。
每段是全长的:1÷(3+1)=1÷4,=14;每段的长:5×14=54(米);故答案为:14,54.