It was ten o'clock _____he came back.A._爱下问搜题

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问题选择题

It was ten o'clock _____ he came back.

A. when
B. after
C. that
D. before

答案

答案：A

问答题

试述创造性的含义及其培养。

单项选择题

设a、b和c都是int型变量，且a＝3，b＝4，c＝5，则下列值为0的表达式是 ( )

A．'a'&&'b'

B．a＜＝b

C．a||b+c&&bc

D．!((a＜b) &&!c||1)