--What's this?
--It's a tiger. It's _____.
A:big
B:a big
—Yes. They are in the living room.
“六一”儿童节时,爸爸、妈妈带小刚游公园,买门票共用去7.5元,已知1张大人票的票价与2张儿童票的票价相等.1张儿童票多少元?
斯里兰卡是印度洋的一个岛国。读斯里兰卡的图回答下列各题。