_______a hot morning,he went to the pool with his uncle.a.on b.in c.at d.o

题目

_______a hot morning,he went to the pool with his uncle.a.on b.in c.at d.o
____ a hot morning ,he wants to the pool with his uncle .
A.on B.in C.at D.of

答案

A.
on 是指具体某一天