1.She often buys shoes that big store.2.When is the School Day?It's Aprill.

问题描述:

1.She often buys shoes that big store.2.When is the School Day?It's Aprill.
用介词或副词填空
She often buys shoes that big store.
2.When is the School Day?It's Aprill.

at that big store in april咋不一样表示具体的时间用on,所以若指具体的某一天用on 表示不具体的时间用in,所以指某年或某月(没有说明具体哪天)都用in