He was walking in the street in the darkness when he heard someone ________ out a ________ scream. A.let; frightening B.let; frightened C.to let; frightening D.to let; frightened
Alexander Fleming discovered penicillin in 1928.Otherwise, health care ________ as difficult as ever. A.would have been remained B.would be remained C.would have remained D.would remain
--- I came all the way to inform you of the time and place of the meeting. --- You could have ________ yourself the trouble by calling me A.shared B.spared C.cost D.removed
点击加载更多评论>>