Does ___ matter if he can’t finish the job in time ?
With so many orphans _______, the charity organization calls for more donations.
Welcome to the Science Museum, everyone! This stone axe _______ in South Africa and experts can’t be exactly sure about its use.
Some biologists believe this is an ancient survival strategy, _______ a diet with 30 percent fewer calories than usual increased life span.
The county, ________ in the north of Shanxi, has a history of more than 1,400 years.
—Shall we attend the concert this evening? —Great idea, ___ we can do some shopping first.