2019年mpacc考试英语真题——连词636

{01} _____ China’s reform and opening up in late 1978, its quick development has aroused worldwide attention, which has made America anxious about it.

A.When

B.As

C.While

D.Since

解析：选D。 since引导一个时间状语从句，或接一个短语时主句要用现在完成时。
本题选D。
{02I believed, though I could be mistaken,______ he liked me.

A.that

B.what

C.which

D.where

解析：考查连接词。调整语序把though I could be mistaken引导的让步状语前置或后置，可以看出后面做believe的宾语从句。
本题选A。