2019年mpacc考试英语真题——其他438

{01}The disc, digital ________ in the studio, sounded fantastic at the party that night.
A.recorded
B.recording
C.o be recorded
D.having recorded
解析：the disc与record之间存在逻辑上的被动关系，且动作发生在过去，须用过去分词作定语。
本题选A。
{02}When I came into the classroom, I found everyone ________ there waiting for the class.
A.seated
B.sit
C.sat
D.sitting
解析：
本题选A。