a. The supermarket is near my house, it’s convenient(方便的) for me to do shopping
there
b. some goods are at the low price(低价), they are cheaper than those in the other stores
c. sometimes there are a lot of people in the supermarket, especially(尤其是) on holidays or weekends, it’s too crowded(拥挤), and we have to wait for a long time to pay for goods.