---Many teenagers put mobile gaming _________ other things and spend too much time on it.---That’s really bad.
China plans to let tourists________the Xisha Islands in the South China Sea this year.
—________do they go to the park?—Because they want to play games there.
—Let’s go to the zoo on Sunday morning.—________.
The________often cat grass on the hill.
You can see an________in the zoo.