情景：你要去美国，想请你的朋友Jack帮你找一处住所。 任务： 请你用英语给他写一个50个词左右的电子邮件。内容包括

She has taught in the school since 20 years ago． She has ta

She has twenty American students in her class． There ______

Miss Li teaches foreign students Chinese in a language schoo

What can robots do in future homes?

After working for a long time，robots __________．

What difficult job can robots do for us?

What are the eyes of some robots?

请根据下面短文回答第题： Robots(机器人)have been with US for quite some ti

What will the mother bear do when the babies do not listen t