22.Lawrence Craven, a doctor from the USA,is the author of several published reports, one of______ introduced the idea in 1953 ______aspirin could reduce the risk of heart attacks.
All the citizens here strongly insist those who ________ “harmful” advertisements in the streets ________ punished strictly.
A. putting up; will be B. to put up; should be C: being put up; shall be D. put up; be