問題詳情
【題組】27. What is something attendees will learn at the seminar?
(A) How to pay for a solar system.
(B) How to design a solar system.
(C) How to pay taxes on solar system.
(D) How to install solar systems at home by themselves.
參考答案
答案：A
難度：困難0.25
書單：沒有書單，新增