英语介词转换Mr.Smith is________(supervisor)all the workers working on t_英语解答

英语介词转换
Mr.Smith is________(supervisor)all the workers working on the assembly line now.

人气：438 ℃　时间：2020-05-13 13:46:27

解答

Mr.Smith is supervising(supervisor)all the workers working on the assembly line now.