WehavereceivedyourletterofSeptember12，（）wearegladtoknowthatyouareinterestedinourelectricheaters.

来源：外销员职业资格

WehavereceivedyourletterofSeptember12，（）wearegladtoknowthatyouareinterestedinourelectricheaters.

A、which

B、atwhich

C、fromwhich

D、inwhich

本站整理有大量高等教育、资格考试类试题答案，Ctrl+D收藏备用!

答案解析

上一篇: 我出口大豆一批,合同规定大豆的水分为最高14%、含油量为最低18%、杂质为最高1%,这种规定品质的方法是( )

下一篇: Yourproducts（）sowellherebutforalotofadvertisementswehavedoneontelevisionandinnewspapers.