这个题应该是T还是F?

“鱼”这个单词应该是单数还是复数? 这个应该是would 还是 could 呢? Can't you play baseball?这个的回答应该是No,I can,还是Yes,I can.为什么? she can't be his mother这个句子的反意疑问句应该是什么,是can she还是is she 求高手解释下[∫(0,x)tf(t)dt]'的求导过程,结果到底应该是xf(x),还是xf(x)-∫(0,x)f(t)d 应该是waiting for you还是waitting for you?(几个t) 这个题正确填T错误填F they influence our life.这个life应该是life还是lives 昨天博物馆没开门怎么说?应该是wasn't 还是didn't? 应该是don't make any noise还是don't make any noises? 英语翻译应该是：My father isn't at home today.还是My father wasn't at 英文字母T表示正确还是F