31.A.happy B.sorry C.tired D.all right
30.A.again B.once C.across D.away
29.A.ringing B.trying C.using D.testing
28.A.Something B.Nothing C.No D.None
27.A.again B.back C.quickly D.home
26.A.hit B.knock C.beat D.ring
25.A.hurry B.surprise C.safety D.danger
24.A.gave B.sent C.lent D.bought
23.A.while B.until C.before D.after
22.A.south B.middle C.east D.west