问题
选择题
The teacher together with his students ___ down at the desk and having a discussion in the classroom.
A．is sitting
B．sat
C．are sitting
D．would sit
答案
答案：A
如主语是单数,尽管后面接as well as no less than , with, like, together with , but, expect , besides等引导的词组,谓语还是用单数.