Question

____time goes by, Mother’s hair is turning gray and the wrinkles on her face deeper.   

A．with

B．as

C．while

D．when

Answer 1

B

考察连词。With后面不接句子，排除A项。CD的意思不相符。As伴随着…；结合句意可知B正确。句意：随着时间的流逝，妈妈的头发变的灰白，皱纹变的更深了。