Blend the ingredients. You have a smooth cream. (complex sentence)

These birds fly to very specific places in South America. They come back to the same trees in North American yards the following spring. (simple sentence)

Andy didn't want to rely on his parents financially. He took a part-time job to support himself. (compound sentence)

Laura forgot her father's birthday. She made up for it by sending him a gift. She was hinted by her mother. (compound-complex sentence)

The car dealer sold the expensive car to the town banker with leather seats.

While lying under an apple tree, a bee stung his right leg.

Christina failed to arrive at the airport on time. Because she was caught in the morning rush hour.

Most actors will tell you that it is easier to perform than being themselves.

In the city center is the People's Square, there you can hear wonderful music in the evening.

Choose the best topic sentence from the four options below. Write the corresponding letter of your choice on the answer sheet. A. Statistics show that the negative effect of warmer nights on older people is twice that on younger people. B. Rising nighttime temperatures driven by climate change may harm human sleep, with the elderly most affected. C. A one- degree Celsius (摄氏度) increase in nighttime temperature may lead to three nights of interrupted sleep. D. The negative effect of warmer nights is most acute in summer, almost three times as high as that during any other season.