Vocabulary
This verb means "to happen."
occur
A leech sucks this from other animals.
blood
A tag question is a small question attached to the end of this.
a statement
The if-clause of the third conditional uses this tense.
past perfect
This word means "help," as in "Doctors Without Borders provide ___ where it is needed."
aid
This noun means "a damaged area of the body."
wound
Doctors used to think leeches could take away this from the blood.
poisons
Complete: "It's quite disgusting, ___?"
isn't it
Complete: "If I ___ (be) more careful, I wouldn't have had an accident."
had been
This medicine kills bacteria and treats an infection.
antibiotics
This adjective means "having an illness caused by bacteria or viruses entering the body."
infected
Leeches were used in Ancient Egypt, Greece, India and medieval ___.
Europe
Complete: "Ancient Egyptians used honey, ___?"
didn't they
The third conditional describes a past that did or did not happen?
did not happen (an imaginary past)
This word means "a way to stop something bad from happening," as in a healthy diet and exercise.
prevention
This verb means "to become completely well again after an illness or injury."
recover
Today leeches help the blood flow in skin ___.
grafts
With rising intonation, the speaker is usually this.
uncertain
Complete: "I might not have recovered if I ___ (not have) the treatment."
hadn't had
This is a substance put into someone to protect them from a disease, such as the flu.
vaccine
This noun means "a state where things are equal and feel natural."
balance
This is the name of treatment that uses leeches.
hirudotherapy
With falling intonation, the speaker usually expects this.
agreement
Correct the mistake: "If I would have known, I would have helped."
If I had known, I would have helped.
This adjective means "requiring immediate attention."
urgent