not less than; a minimum of at least they bought something.
at once
immediately
If you try to do everything at once, you will make many mistakes.
confuse
to cause indistinction, to lose differentiation
The two ideas were confused in the mind of the student.
grow up
to mature
I grew up in a small town in the center of the country.
letter
a symbol or character that is used in writing and printing to represent a speech sound and that is part of an alphabet
I learned how to write in cursive letters when I was in elementary school.
sentence
a number of words forming a complete statement
It is hard to construct a good sentence.
step
a level in a set process
They went one step further on the assignment than they should have and are now confused.
step by step
following a method exactly, one level at a time
The program gives step by step instructions about how to install the software.
whole
referring to all of something; entire
Kevin and Frank ate the whole pizza by themselves.