yes,thank you.but what are we going to eat ______ lunch,Mum?空里填什么?

问题描述:

yes,thank you.but what are we going to eat ______ lunch,Mum?空里填什么?

at lunch

for
for+三餐是固定用法

yes,thank you.but what are we going to eat for lunch,Mum?
是的,但我们午餐吃什么呢,妈咪?