Mọi người giúp mình với ạ.
1. Throwing the garbage into the sea is not good idea(Should)
->Should........................................
2. Are you doing a project about pollution in our city?
->Is a...............................................
3.We didn't arrive there on time because of an accident.
->If there.......................................
4.If/we/continue/destroy/panda's habitat/ extinct/soon.
->.....................................................
5.No one has found out an effective way to protect endangered animals.
->An effective..............................
6.All the roads/devastate/after/earthquake/last night.
->.....................................................