Chúng ta sử dụng one (số ít) và ones (số nhiều) để tránh việc lặp lại không cần thiết.
VD: See those two girls? Helen is
the tall
one and Jane is
the short one.
Which is your car,
the red one or
the blue one?
My
trousers are torn. I need some
new ones.
See those
two girls. Helen is
the one on the left.
Let’s look at the
photographs.
The ones you took in Paris.
Chúng ta thường sử dụng chúng sau WHICH... trong câu hỏi:
You can borrow
a book.
Which one do you want?
There are lots of
books here.
Which ones are yours?
BÀI TẬP THỰC HÀNH:
1. How old are my children? The younger .............is four and the older............is seven.
2. The new mobiles are much lighter than the old ................. .
3. I don't mind what kind of car it is, I just want ................... that gets me there.
4. Which do you prefer; this ................ or that .............?
5. I need some new glasses. The ........... I have at the moment are broken.
6. I hope this holiday will be .............. to remember.
ĐÁP ÁN:
1 one – one
2. ones
3. one
4. one- one
5. ones
6. one.