Tina_____haveknownthetruth,orshewouldhavetoldus.
A、mustn'tModernscienceandtechnologyhas_____communicationbetweenpeoplefarapart.
Theprofessorcouldhardlyfindsufficientgrounds_____hisargumentsinfavorofthenewtheory.
Onhearingagreatnoise,Mikelookedforwardthroughthewindow_____whathappenedoutsidetheroom.
_____theteacher'ssuggestion,Tomfinallyfoundawaytosettletheproblem.
We must remember that _____fashion is not the most important thing in _______ life.
