1, Lan said "Why don't we use energy-saving appliances?"
-> Lan suggested that energy-saving appliances ............
2, They stayed in a very luxurious hotel last summer
-> The hotel .......................
3, Why don't you use energy-saving bulbs?
-> If ................
4, Don't stop him doing what he wants
-> Let ...........
lan said "why don"t we energy-saving appliances
-------->lan suggested using energy-saving appliances
they stayed in a vey luxurious hotel last summer
------->the hotel where they stayed lát summer was very luxurious
why don't you use energy-saving bulbs.
-------->If you use energy -saving bulbs , it will ...
don't not stop him doing what he wants
---->let he do what he wants
1.Lan said:“Why don't we use energy-saving appliances.”
=> Lan suggested energy-saving appliances should be used to save electricity.