It is important that we _____ wild animals.
Jackson______toworkingovernmentofficethoughhehatedservingthere.
E-mail,aswellastelephones,______animportantpartindailycommunication.
—Bob,you______onthephone. —______.
Nothavingfinishedhishomework,______towatchTV.
—DoyouknowanyoneinParis? —No.I'llmakefriendsonce______.