She is getting better, but it will be some time _____

试题详情及答案解析

She is getting better, but it will be some time ______ she is completely well.

A．that

B．since

C．when

D．Before

答案： D

试题分析：考查从属连词。这里意思是她正在好转，但在她完全好之前还有一段时间。Before在…之前，故选D。句意：她正在好转，但在她完全好之前还有一段时间。
考点：考查从属连词及语境理解。