2. It / easy / start / diet / but / much / harder / keep / to it.

$\text{→It is easy to start a diet but much harder to keep it.}$

3. He / punish / yesterday / mother/ for / go / out / without / permission.

$\text{→He was punished yesterday by his mother for going out without her permission.}$

4. It / difficult / prevent / people / park here.

$\text{→It is difficult to prevent people parking here.}$

5. Not leave / fridge / open / cold air / escape / use / lot / electricity. 

$\text{→Don't leave the fridge open because the cold air will escape and use a lot of electricity.}$

#Sú

$#nocopy$

Xin hay nhất!

2. It's easy to start a diet but it's much harder to keep to it.

3. He was punished yesterday by his mother for going out without permission.

4. It's difficult to prevent people from parking here.

5. Don't leave the fridge open because cold air escapes and uses a lot of electricity.