问题
选择题
On the way to the post office, I heard some children ________the English song.
A．sang
B．to sing
C．singing
D．sings
答案
答案：C
题目分析: 句意：在去邮局的路上，我听到几个孩子在唱英语歌。sing唱；根据On the way to the post office,在去邮局的路上，可知是听到正在唱，现在分词做宾补，故选C.