If I watch the animals ______, I’ll get ______for my class report.

My parents used to tell me not to buy and bring them anything next time I ______ home

The supermarket tried hard to improve customer’s________ last year.— Yeah, they did it. A lot of people come here to buy things now.

Now more and more people prefer _____ to_____ inorder to reduce the air pollution.

aoyu Islands have been part of China’s territorysince ancient times, __________ as important fishing grounds of Taiwan