单项选择题
A. One of the bridges between North and South London collapsed. B. The heart of London was flooded. C. An emergency exercise was conducted. D. 100 people in the suburbs were drowned.
A. Interesting. B. Difficult. C. Helpful. D. Boring.
A. He was well-known in the world. B. He was very strange. C. He was clever and hard working. D. He was quick at Latin and poems.