【評論主題】He knows that he _____ studied last night, but he decided to watch TV instead.(A)should(B)should hav

【評論內容】他知道昨天晚上他應該要讀書，但是相反的他卻決定看電視。

【評論主題】I hear my brother _____ in the bathroom when he takes a shower every night.(A)sing(B)sings(C)to sing

【評論內容】每天晚上我都會聽到洗澡的哥哥在浴室唱歌。