28. A: Who is washing the test tubes? B: ________ (A) I can. I am free now. (B) Let’s do it now.(C)
問題詳情
28. A: Who is washing the test tubes? B: ________ (A) I can. I am free now. (B) Let’s do it now. (C) Please wash them in the lab. (D) Bernie and James are.