The soldiers have to stand for hours without changing _______.
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.
A Korean survey shows that shopping cart handles are the most bacteria-carrying items among some ________used objects.
The little girl is walking along the beach, happy and joyful, ________ bending down to pick up a beautiful seashell.