1.- Study the examples: analyse the differences and decide why they are different.
2.- Reply to the prompts as in the examples.
3.- Check your answer dragging the mouse over the { hidden answer } after each prompt.
EXAMPLES:
a)
PROMPT:
this motorcyle? / 12
ANSWER:
How old is this motorcyle?
It's twelve years old.
b)
PROMPT:
your brothers? / 16 and 18
ANSWER:
How old are your brothers?
They're sixteen and eighteen (years old).
PROMPTS:
1.- your father? / 43
{How old is your father? He's forty-three. }
2.- your sister? / 15
{ How old is your sister? She's fifteen (years old).}
3.- that building? / 20
{ How old is that building? It's twenty years old.}
4.- these babies? / 1
{ How old are these babies? They're one year old.}
5.- your dog? / 5
{ How old is your dog? It's five years old.}
6.- your grandmother? / 77
{ How old is your grandmother? She's seventy-seven (years old).}
7.- the cathedral? / 350
{ How old is the cathedral? It's three hundred and fifty years old.}
8.- your boyfriend / 18
{ How old is your boyfriend? He's eighteen years old.}
9.- these books / 120
{ How old are these books? They're a hundred and twenty years old.}
10.- you and your classmate? / 12
{ How old are you and your classmate? We're twelve years old.}
11.- this watch? / 35
{ How old is this watch? It's thirty-five years old.}
12.- those houses? / 10
{ How old are those houses? They're ten years old. }
13.- your car? / 5
{ How old is your car? / It's five years old. }
14.- your uncle? / 41
{ How old is your uncle? He's forty-one (years old).}
15.- this train / 50
{ How old is this train? It's fifty years old.}