15. —Why is Mr. Li so happy this morning? —Because he was honored with a(n) ____ for excellence in teaching.
Our teacher told us that there ______ no end to learning.
In China, the number of cities is increasing _____ development is recognized across the world.
Please _____________ . The class is too noisy.
Currently, some overseas universities are simply selling diplomas to Chinese students ________ their academic performance, so China should check on a regular basis.
As for Latin America generally, there’s no reason why, ______resources available, it can’t become a highly industrialized area.