On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.
A、toseeingB
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Theprofessorcouldhardlyfindsufficientgrounds_____hisargumentsinfavorofthenewtheory.
You____himsoclosely;youshouldhavekeptyourdistance.
______thatnoonewaseverpreparedforit.
Weneedamorecapableleader,______withstrongwillandaswellasgoodhumour.
_____theteacher'ssuggestion,Tomfinallyfoundawaytosettletheproblem.
