A:for; that
B:why; that
C:for; because
D:why; because
自强的对立面是自弃。( )
要想使“朋友再聚”,要求我们人类( )
①主宰大自然,做大自然的主人
②尊重大自然的一切生命
③保护生态系统,保护生物多样性
④实施可持续发展战略
—Which is more useful, reading or writing?
—I think _______ of them are useful.