When the government office building was under fire, the crowd got into panic.
254. You can recognize a tree by the ______ of its _______.
253. I have to wear a _____ and a tie in order to work in the manager’s office.
252. One of the purposes of United Nations is to achieve international co-operation without distinction as to race,____, language or religion.
251. The America’s selling weapons to Taiwan cast a shadow on the Sino-U.S relationship. Which of the following can explain the underlined part?
250. Every year Harvard University awards to excellent foreign students in theoretical physics.