I/ Đọc bài, đièn một từ phù hợp vào chỗ trống: cause ; pulled ; treat ; decay ; sugar; wear ; eat ; teeth ; middle - age ; thought;
Many people nowadays have to (1) _____wear______ false teeth when they are (2) ______middle – age_______ . The reason is that tooth (3) _____decay_____ increases a lot. The amount of (4) _____sugar_______ on our food also increases. Doctors and dentists now know that sugar is the chief (5) _______cause_______ of tooth decay. Eskimos’ (6) _____teeth______ , for example, started to decay when they began to (7) ___eat_____ sweeter food. Long ago doctors didn’t not like to (8) ____treat_____ people’s teeth. Barbers and blacksmiths looked after people’s teeth and (9) _____pulled_____ them ut when they decayed. Some people (10) ____thought______ toothache was a punishment from the Gods.
II/ Viết lại những câu sau sao cho nghĩa của câu không thay đổi;
`1.` What is Mai’s weight?
⇒ How heavy is Mai?
`2.` Why isn’t this TV working now?
⇒ What is the matter of this TV?
`3.` Trung didn’t go to school last Saturday.
⇒ Trung was absent from school last Saturday.
`4.` Christiano Ronaldo is a very good soccer player.
⇒ Christiano Ronaldo plays soccer very well.
`5.` My brother runs faster than me
⇒ I run more slowly than my brother