price of daily goods __through a computer can be lower than store prices

题目

price of daily goods __through a computer can be lower than store prices
1.are bought
2.bought
问下商品被买不是应该用1么?

答案

2.
定语 ...
这一句已经有一个谓语了 can be ..
price of daily good,whch are bought through a computer,can be lower than store prices.