题目

It was not until he came back _____ he knew the police were looking for him. A. which                     B. since C. that                      D. before   答案：C为 He didn’t know the police were looking for him until he came back 之强调形式。注意，not … until … 的强调句式通常为 It was not until … that … 的形式。14．一根长24厘米的铁丝，围成一个长是10厘米的长方形，这个长方形的宽是（　　）A．6厘米B．24厘米C．2厘米D．40厘米