Koalos sleep __the day,but ___night they get up and eats leaves.
问题描述:
Koalos sleep __the day,but ___night they get up and eats leaves.
答
Koalas sleep( during) the day,but (at ) night they get up and eats leaves.为什么during the day 在白天 at night在晚上 两个都是固定的表示时间的短语