问题
选择题
— How can you finish the work on time?
— ________.
A．By working with friends
B．By working for friends
C．To ask the teachers
D．To read a lot of books
答案
答案：A
by 表示通过某种方式.上文意思是你怎样按时完成这项工作的?选项A和朋友一起做,最符合题意.
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