The concert by Lang Lang was so well ______ that all the tickets had been sold out on the first three days last month. A.received B.recognized C.admitted D.taken
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
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