2019年mpacc考试英语真题——连词864

{01}The school rules state that no child shall be allowed out of the school during the day, ______ accompanied by an adult.

A.once

B.when

C.if

D.unless

解析：略
本题选D。
{02}. Part of the reason Charles Dickens loved his own novel, David Copperfield, was__________ it was rather closely modeled on his own life.

A.what

B.that

C.why

D.whether

解析：略
本题选B。
{03}It was not until he came back _____ he knew the police were looking for him.

A.which	B.since
C.that	D.before

解析：考查强调句型 it is +被强调部分+that …。句意：直到他回来他才知道警察一直在找他。
本题选C。