It is difficult for children to change their eating habit later in life. ______, parents should encourage healthy eating from an early age.
I asked two people to help me start my car , but of them knew what to do .
He took the machine to pieces to find out how it .
Americans eat ____ vegetables per person today as they did in 1910.
Is ____ three hours ____ the boy___ family is poor to come to school on foot?
Shelly had prepared carefully for her English examination so that she could be sure of passing it on her first _______.