Richardwascalledinbythepolicetoanswerquestions
问题详情:
Richard was called in by the police to answer questions ________ the disappearance of Thomas, whose relatives were so ________ his present situation.
A. concerning; concerning about B. concerned; concerning about
C. with regards to; concerned about D. regarding; concerned about
【回答】
D
知识点:非谓语动词
题型:选择题