2019年mpacc考试英语真题——连词409

{01}The last time we had great fun was __________ we were visiting the Water Park.

A.where

B.how

C.when

D.why

解析：考查表语从句的连接词。根据句意可知C正确。句意：上次我们玩的开心是在我们去水上乐园的时候。
本题选C。
{02}____ she couldn’t understand was _____ fewer and fewer students showed interests in her lessons.

A.What; why

B.That; what

C.What; because

D.Why; that

解析：考察连词。根据句子结构可知，第一空为主语从句，从句中缺少understand的宾语，第二空为表语从句，从句中缺少原因状语。
句意为，她无法理解的是，为什么越来越少的学生对她的课感兴趣。
本题选A。