Đáp án:

Giải thích các bước giải:

 Exercise 6: Fill in the blanks with the correct form of a suitable verb from the box.

Các động từ được cho:

put, install, use, show, reduce, keep, pay, check, take, spend

Đáp án:

We are doing a test on sources of energy at present.

People in developing countries are using energy from the sun, the wind, and the water these days.

Last year, we spent a lot of money on heating because it was very cold.

The electrician is installing low energy light bulbs in the classrooms at the moment.

Our teacher showed a video on types of renewable energy sources yesterday.

Is the plumber checking cracks in the pipes in the bathroom now?

Did your father pay the electricity bill last week?

What will you do to reduce your carbon footprint?

We will walk to school to keep fit and protect the environment.

My uncle put new glass in the windows to stop heat loss.

Lưu ý:

Các động từ được chia phù hợp theo thì hiện tại đơn (Present Simple), hiện tại tiếp diễn (Present Continuous), quá khứ đơn (Past Simple), hoặc tương lai đơn (Future Simple).