no one but tom and mary ___ there then.is was were be 应该是哪个呢?
问题描述：
no one but tom and mary ___ there then.is was were be 应该是哪个呢?
答
No one but tom and mary ___ there then.A.is B.was C.were D.be 答案与解析：B.was 根据句意：除了汤姆和玛丽,那时候没人在那儿,可知句子是一般过去时,据此排除A、D两项.在No one but...句式中,谓语动词与No one保...