3道高二英语题
19.Hewonderedifhecouldslipoutofthelecturehallwithoutanyone______
A.noticing
B.noticed
C.tonotice
D.beingnoticed
20.Hespokeinsuchahighvoice_______outinthestreet.
A.astobeheard
B.tobeheard
C.astohear
D.tohear
21.Excuseme,couldyoutellmehowtogettotheGrandHotel?Ithoughtitwasonthiscorner,butIseemto______amistake.
A.make
B.bemaking
C.havingmade
D.havemade