A．look back               B．look around            C．look up                  D．look forward

29．       I don’t think Mr. Watson will come here again today. Please give the ticket to        comes here first.

A．whomever              B．whom                    C．who                      D．whoever

30．       Far too many owners of electric appliances have a hard time        qualified repairmen to fix their machines.

A．finding                   B．to find                    C．to finding               D．having found