40．A．schools            B．cities               C．houses               D．families

39．A．a lot                        B．lot of               C．a lot of               D．much

38．A．go to work            B．go to bed            C．go to school          D．go home

37．A．saying                B．telling              C．speaking             D．talking

36．A．with                   B．on                  C．to                    D．in

34．It’s your ____to look after your parents when they get older．

A．duty                      B．challenge                      C．rule                       D．secret

33．―How do you study ___an English test?

   ―I study _____working with friends．

A．on; for              B．for; by             C．by; for              D．for; on

32．What about ______ his new address in my notebook?

A．looking after         B．looking up          C．making up                     D．looking into

31．Mum, my trousers aren’t ______,buy a new pair for me．

A．enough long         B．long enough          C．new enough            D．enough new