On () sunny Sunday afternoon,my parents and I had a good time on the beach. A.a B.the C.an D./

问题描述:

On () sunny Sunday afternoon,my parents and I had a good time on the beach. A.a B.the C.an D./

选A.on后面必须要加特指的某一天.比如.on January the first.但是如果句意没有要求某一天的话用in the afternoon.这个还是要注意语感