試題詳解

21. Peter: I’ll look at your laptop for you, but I can’t promise to fix it. I’m not an expert. Cindy: Will you charge me for it? Peter: Don’t be silly. _______________ I’ll do it for nothing.
(A) It’s costly.
(B) Of course not.
(C) It’s only NT$300.
(D) You can sell it. ˉ