Sam is going to ride a horse. — 英语选择题
题目
星期六，Amy 看到爸爸的旅行计划便条：Sam——骑马（ride a horse）。下面哪个句子正确地说出了 Sam 的计划？A. Sam is going to ride a horse. B. Sam is going to ride a bike. C. Sam are going to ride a horse. D. Sam is going to swim in the sea.