Read the passage and write one suitable word for each apace.
Many people beginning of this century, ... decay has greatly increased. The amount ... sugar in our food has also increased. Doctors and dentists now know that ... is the chief cause of tooth ... Eskimos' teeth, for example, started to ... when they began to eat sweet ....
Long ago doctors didn't like ... treat people's teeth. Barbers and blacksmiths ... after people' teeth and pulled them ... when they decayed. Some people thought...
Đọc tiếp
Read the passage and write one suitable word for each apace.
Many people beginning of this century, ... decay has greatly increased. The amount ... sugar in our food has also increased. Doctors and dentists now know that ... is the chief cause of tooth ... Eskimos' teeth, for example, started to ... when they began to eat sweet ....
Long ago doctors didn't like ... treat people's teeth. Barbers and blacksmiths ... after people' teeth and pulled them ... when they decayed. Some people thought ... was a punishment from the gods.
Read the passage and write one suitable word for each apace.
Many people beginning of this century, .tooth.. decay has greatly increased. The amount .of.. sugar in our food has also increased. Doctors and dentists now know that .sugar.. is the chief cause of tooth .decay.. Eskimos' teeth, for example, started to .decay.. when they began to eat sweet .food...
Long ago doctors didn't like .to.. treat people's teeth. Barbers and blacksmiths .looked.. after people' teeth and pulled them .out.. when they decayed. Some people thought .toothache.. was a punishment from the gods.
thanks