It’s John’s birthday today. I wish I _____ her out to a superb restaurant for dinner, but I’m too busy recently.
If penicillin _____________ available, many people ______________ from sickness.
Another drug that has helped improve people’s health is penicillin, _________ is _________ by many _________ one of the most important medicines.
Not only _____________ vital for reducing fever, but __________ also other things that it can help with.
People drank a kind of tea _________ from leaves _________ a special chemical to reduce body pains and fever.
Nowadays, many teenagers__________ themselves to the computer games, which made them ___________ from the society.