1.many designers have made lots of changes to the Ao dai.
2. thousands of people have been made homeless by the flood.
3.I think the internet is a useful device to get information.
4. we have read that advertisement on Tuoi Tre newspaper recently.
1) the new house was quick sold to its new owner.
⇒ quickly
2) I forget turning off the lights before going out for dinner.
⇒ to turn