问题
选择题
During the scientific experiment, Mr. Chen carefully poured the water into the tube, with my classmates ____ beside to see what would happen.
A．were standing
B．stood
C．standing
D．to stand
答案
答案：C
考查非谓语动词。句意：在科学试验期间，陈老师把水倒进试管，我的同学们站在旁边看会发生什么事。现在分词作补足语表示正在进行的伴随性动作，和被修饰词是主谓关系。故选C。