--- When did you last see your first teacher?--- On ______ Friday last June, at ______ celebration of her 40th year of teaching.
Mr Jones, a professor, ___________ for his excellent lectures, is popular with his students.
—Can you give some advice on what I said just now? —Sorry. My mind______________.
Having __________ no-meat day would be a good way of encouraging ___________ low carbon life-style.
by a greater demand for green products, the food company has set higher standards to ensure the quality.
The little boy got rice to feed the chickens in the yard.