______has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem.
The news _______ Barack Obama won the Nobel Peace Prize is _______ surprised the world.
After inspecting the building, specialists discovered some faults that otherwise ___________.
Would you _________ her novels as serious literature or mere entertainment?
It was the dream that he would make ______ good fortune on the international stages that made Lang Lang decide to go to the USA for ______ further study.
Students build up their vocabularies byof reading more.