Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово MAKE так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

Rogers was cautioned not to try to be funny because the President had no sense of humour. Rogers bet that he __________________ Coolidge laugh within 20 seconds.