This is the man with _____ (who, whom) we must talk. Yesterday we had a meeting, at _____ (where, which) Thomson gave us a presentation. The manager had a long talk with the salesman, from _____ (whom, whose) he learned more about the market. The reason _____ (which, why) Jack failed in testing the machine was his carelessness. He told me everything _____ (which, that) he knew about the company September and October are the two months _____ (which, when) hotel rates are highest The business representative will arrive at 9 a.m _____ (where, when) he will meet us at office Is this the book _____ (what, /) he bought last week?