2019年mpacc考试英语真题——其他922

{01}I am concerned ____ it that I can’t concentrate ____ my work because of headache
A.of; on
B.of; of
C.about; on
D.about; to
解析：试题分析：考查介词：句意：我担心因为工作我不能专心工作。Be concerned about关心，concentrate on 集中精力于……；专心于……选C。
考点：考查介词
本题选C。
{02}________ people were hurt in the accident.
A.Hundred of
B.Hundred
C.Hundreds
D.Thousands of
解析：thousands of 成千上万的。
本题选D。