Generallyspeaking,thehardoneworks,_______.
A、thebetterhegetsresultWhendoyouthink______startthenewattack?
Therearesomepolicecarsinfront.Whatdoyousuppose_____?
InfactPeterwouldratherhaveleftforSanFranciscothan____inNewYork.
Modernscienceandtechnologyhas_____communicationbetweenpeoplefarapart.
Tina_____haveknownthetruth,orshewouldhavetoldus.