29.A.impress B.please C.shock D.surprise
28.A.help B.silence C.advice D.tolerance .
27.A.pleasantly B.surprisingly C.extremely D.apparently
26.A.obvious B.interesting C.easy D.exciting
25.A.study B.use C.copy D.observe
24.A.sound B.suggestion C.symbol D.signal
23.A.disturbing B.asking C.informing D.troubling
22.A.call B.servant C.ring D.knock
21.A.choose B.wear C.dress D.purchase