43．A．What    B．Where          C．If                   D．Why

42．A．safety     B．safe              C．dangerous       D．danger

41．A．useless   B．helpful          C．useful              D．helpless

40．A．time       B．phones          C．money          D．messages

39．A．doing    B．answering       C．1earning        D．making

38．A．And      B．Next             C．Then               D．Second

37．A．bad       B．good           C。helpful            D．useful

36．A．help      B．make           C．grow              D．let

34．In one of Marx’s books，he gave people who were learning a foreign language some _____about learning it well．

    A．message        B．meanings      C．information     D．advice