Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.
It'smore________tobuyaseasonticketifyoutraveleveryday.
ItwasthreeBritishsportsmenwho________banneddrugs.
Becareful,_______you'llfalldown.
I'm______tograduateinthenexthalfoftheyear.
________they'vegottoknoweachotheralittlebetter,theygetalongjustfine.
