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.
Thethief______whenhewasstealingawalletfromawoman.
He_____inashowerlastnightandgotwetthrough.
Theteachertoldthestudentsthatthey______tobeusefulmentothecountry.
Aftertheclass,thestudentswentoutoftheclassroomonebyone,butonlyMary______.
Ineedonemorestampbeforemycollection______.(MET1994)