31.A.description B.preparation C.excuse D.lecture
30.A.worried B.disappointed C.satisfied D.surprised
29.A.called up B.returned to C.visited D.left
28.A.looking for B.working for C.sending for D.paying for
27.A.Since B.Before C.As D.If
26.A.clerk B.secretary C.passer-by D.friend
25.A.hurt B.encouraged C.attracted D.shocked
24.A.serious B.difficult C.regular D.convenient
23.A.a question B.a reason C.an opinion D.an idea
22.A.angry B.hungry C.frightened D.thirsty