Giải giúp mình bài này với ạ

Ex 9. Rearrange the sentences to make meaningful sentences 1. cleaning/To/people/ for/ their/ spend time/ houses/ prepare/ Tet/ often/ for. 2. at Tet/ should/ house/ with/ They/ their/ many/ decorate/ flowers. 3. have to/ go/ We/ tol at Tet/ don't/ school. 4. sweets/We/ shouldn't becau ...