什么也不能阻挡我们取得进步。Nothing can __________ __________ our progress.
He refused to allow his secretary to __________ (处理) confidential letters.
There were many v__________ seats in the cinema.
The number of students of this school has __________ (减少).
Many undergraduates offer their v__________ service in the World Expo of Shanghai.
The p__________ stopped at the crossing to wait for the traffic light.