问题
选择题
—What’s that noise?
—There’s a truck stopping outside. It’s someone _____ something.
A．deliver
B．to deliver
C．delivering
D．delivered
答案
C
题目分析：考查非谓语动词。句意：哪来的噪音？门外停着辆卡车。这是有人在送东西。Someone后面跟着后置定语，与deliver之间是主谓关系故选C项。
考点 : 考查非谓语动词