2019年mpacc考试英语真题——连词421

01}The police got to an old school _______the farmers used as a store.

A.that

B.what

C.where

D.when

解析：考查定语从句.关系代词that指代先行词an old school在句中做used的宾语。
本题选A。
{02}—I must apologize for ______ ahead of time.
—That’s all right. 

A.not letting you to know	B.not letting you know
C.letting you know not	D.letting not you know

解析：考察句型。Apologize for (not) doing sth 意为因做（没做）某事而向道歉 for是介词
句意为，--我必须因为没有提前让你知道而道歉。--没关系。
本题选B。