A new ______ to teaching languages is being used here, and it has turned out to be very helpful to the students.

For most people, it’s very difficult to _____ air on the top of Qomolangma.

I like eggs, and I eat____________ for breakfast.

_______ review off 44 studies,American researchers found that men and women who ate six key foods daily cutthe risk of __________ heart disease by 76% _______

.living in it.