1.Most air pollution is caused by the burning of ________ like
coal,gas and oil.
A.fuels B.articles C.goods D.products
2.It was a bad year for films,in terms of both ________ and quality.
A.tendency B.presentation C.quantity D.existence
3.Larger babies ________ to score higher on IQ tests when they
grow up.
A.advocate B.appeal C.tend D.attempt