Mariousedto_____________inthemorning.

The scientists all over the world are trying their best to develop _____ energy, such as sunlight, wind and water for power and fuel. [ ]

ly appreciate____ to help me with my maths, butI’m afraid that I have no time this week.

_______do you borrow books from the library – Twice a week.

Although faced with stress from constant exams, she lost ______ of her enthusiasm for study.