________ seems to be a strong competition in China for senior high students to enter college or university.
According to the law, all foreigners have to ______ with the local police within two weeks of arrival.
While intelligent people can often ______ the complex, a fool is more likely to complicate the simple.
Carbon dioxide, which makes a ______ between us and the sun, prevents heat from getting out of the atmosphere easily, so the earth is becoming warmer.
Poetry written from the ______ of the urban youth tends to reveal their anxiety over a lack of sense of belonging.
An artist who was recently traveling on a ferry to the southern island discovereda long lost antique Greek vase.