Câu 29 · 29/30
Đề bài
Use the verbs in their correct forms and add some words where necessary to make meaningful sentences:
You / turn / appliances / when / in use / save / energy.
Hướng dẫn giải
**Đáp án mẫu:** You should turn off your household appliances when they are not in use to save energy.
- Thêm 'should turn off', 'household appliances', 'they are not in use', 'to save energy' (để chỉ mục đích).