After working for a long time，robots _________

单选题After working for a long time，robots __________．

A．do not get tired
B．will stop working
C．may make mistakes

参考答案A

解析:句意：机器人在长时间工作后会怎样?细节题。从文章第四段第二段“…robots do not eat，sleep or get tired．”可知：机器人不吃不喝也不会觉得累。故A选项符合题意。

单选题What can robots do in future homes?

A．Talk to people．
B．Have fun like people．
C．Keep their own dogs．

简答题Miss Li teaches foreign students Chinese in a language school．
Miss Li __________foreign students in a language school．

简答题She has twenty American students in her class．
There __________twenty American students in her class．