题目内容：

She doesn't know how to do this ____
A.too
B.also
C.either
D.neither

优质解答

C：either 放于句尾时,肯定句中用 too； 否定句中用 eitherneither只用于句首或句中,不会出现在句末的.例：It is neither hot nor cold in winter here.这里冬天既不热也不冷.Neither of my sisters drinks coffee....