_____nocauseforalarm,theoldmanwentbacktohisroom.
A、Therewas
B、Since
C、Being
D、Therebeing
Heleftordersthatnothing_____toucheduntilthepolicearrivedthere.
A、shouldbe
B、oughttobe
C、mustbe
D、wouldbe
There_____nothingmorefordiscussion,themeetingcametoanendhalfanearlier.
A、tobe
B、tohavebeen
C、being
D、be
Breadandbutter（）likedbyWesterners.
A、is
B、are
C、were
D、be
Marytiptoedoverandtooktheclockawaybecauseshehatedtohearit___whenshewastryingtogotosleep.
A、sounding
B、ringing
C、ticking
D、humming