are (过去式)
are 是，过去式为 were，故答案为 were。
2018年12月，张阿姨把4000元的存入银行，定期三年，年利率是2.75%到期后，应得利息______元.
Shanghai is a very big city in the southeast of China. (英译汉)
Did you win? (作否定回答)
我想上大学。 (汉译英)
Math, like, I, my, teacher, (.)