1. Whenever someone throws rubbish on the street, she always sweep it. 2. My little brother never gives up his work. 3. We should plant more trees to make our city green. 4. He ran so fast that I couldn't keep up with him.
1, Whenever someone throws garbage in the street, she always cleans it out. 2, My brother never gives up his work. 3, We should plant more trees to make our city green. 4, He ran so fast that I couldn't keep up with him.