ProfessorWang,_______forhisinformativelectures,waswarmlyreceivedbyhisstudents.
A、knowingThisrobotissupposedtosavealotoflabor,butitremainsaproblemifit______.
InfactPeterwouldratherhaveleftforSanFranciscothan____inNewYork.
Generallyspeaking,thehardoneworks,_______.
Thereweremanymorepeoplewhogotinjuredinthebigfirethan_______.
Thegreatuseofschooleducationisnotsomuchtoteachyouthings_____toteachyoutheartoflearning.