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.
It’s hard to believe____ the way out of the forest without the help of the local guide.
He had his leg broken in the basketball match. ______, he has to be away from school for a couple of weeks.
Of the two shirts, I’d like to choose the_____ one to save some money for a cap.
I will never forget the day____ we spent in the old town with small houses.
In summer milk will quickly go bad_____ it is put into a fridge.