37.【2019 •辽宁省本溪市】—Could you tell me how I can improve my English?
   —Sure. _______, you could speak it as much as possible.
   A．After all B．In the end
   C．By the way D．First of all
【答案】D
【解析】A表示毕竟，B表示最后，C表示顺便说一下，D表示首先。根据题干可知说话人建议对方如想提高英语，首先要尽可能经常地说英语，故选：D。