2019年mpa考试英语真题——介词和介词短语2719

{01}Today Xiao Li is absent ___the class. He ___ ill. A.for; could have been B.with; should have been C.at; could have been D.from; may have been 解析：第一空为固定短语：be absent from 缺席，不在，第二空考查情态动词表推测的用法，对过去可能性的推测用may have done，所以选D。
本题选D。
{02}      ---What are you busy with ?
--- We are carrying out a research ____ the causes of cancer. A.into B.onto C.to D.in 解析：考查介词：do/carry out research into/on对…做研究，句意：--你在忙什么？--我们在做一个关于癌症原因的研究。选A。
本题选A。