2019年mpacc考试英语真题——介词和介词短语2137

{01} ________, no one is sure who discovered America .

A.As a matter of fact	B.As the fact of matter
C.As the matter of fact	D.As a factual matter

解析：As a matter of fact为固定搭配意为“实际上”。句意：实际上没人确定谁发现了美洲。
本题选A。
{02}________arriving in Tibet , the soldiers at once joined them ____their work.
At; with    B.On; in   C.For; with   D.After; to
解析：略
本题选B。