Universities and colleges give solar energy courses where students learn to build their own solar (4) ________.

Tìm từ có phần gạch chân phát âm khác với những từ còn lại.

If her condition should improve, we’ll inform you immediately.

=> Should ________________________________________________.

Canada is rich in _________ such as zinc, nickel, lead and gold.

________ his physical disability, he managed to finish the course with good results.