Question

_________ of the twins passed the exam because they worked hard at their lessons．

A.Every
B.Neither
C.Noth
D.Both

Answer 1

【答案】：D
neither强调“两者都不”，none强调“三者以上的都不”。A项的every只能作定语，不能作主语、表语或宾语。根据后文句意，答案为D。