Robert toiled over his report for two years, slightly longer than it took Herman to write "Mobt Dick".老师好,根据take sb sometime to..可以判断出这里的longer其实是a longer (time)吗?
Sometimes I am not as brave as I ___ be. So I'd rather keep silent to avoid hurting myself.A should B may C can D must专家老师,我觉得这里至少AC(should,can )都可以,您怎么看这道题呢?