Đáp án

a) The moon goes round the sun

⇒The moon doesn't go around the sun

⇒ It goes around the earth

b) It is hot in winter

⇒It isn't hot in the winter

⇒ It is cold

c) Mice catch cats.

⇒ Mice don't catch cats.

⇒ Mice are caught by cats hoặc Cats catch mice

d) Water boils at 50 degrees Celsius.

⇒ Water doesn't boil at 50 degrees Celsius

⇒ It boils at 100 degrees Celsius.

e) Spiders have six legs

⇒Spiders   don't have six legs

⇒   They have eight legs

f) The Red River flows into Atlantics Ocean

⇒ The Red River doesn't flow into Atlantics Ocean.

⇒ It flows into pacific ocean

g) Gold is cheaper than silver.

⇒ Gold isn't cheaper than silver.

⇒ It is more expensive

h) Carpenters make things from metal.

⇒ Carpenters don't make things from metal

⇒ They make things from wood

a.the moon goes round the sun

the moon doesn't go around the sun

it goes around the earth

b. it is hot in winter

it isn't hot in the winter

it is cool

c.mice catch cats

mice don't catch cats

mice are caught by cats hoặc Cats catch mice

d.water boils at 50 degrees Celsius

water doesn't boil at 50 degrees Celsius

it boils at 100 degrees Celsius

e.spiders have six legs

spiders don't have six legs

they have eight legs

f.the Red River flows into Atlantics Ocean

the Red River doesn't flow into Atlantics Ocean

it flows into pacific ocean

g.gold is cheaper than silver

gold isn't cheaper than silver

it is more expensive

h.carpenters make things from metal

carpenters don't make things from metal

they make things from wood