Lots of trees ________in our city over the years. It is becoming greener and greener!
Eating ________ is bad for your health.
What happened ________ you yesterday morning? I had an accident.
—My uncle was worried because lots of oranges in his orange garden had gone bad. —.
I often hear him ______.Today when I pass(经过)the classroom, I hear him ______again .
—Susan ,where is your mother? — My mother is cooking in the