It'smore________tobuyaseasonticketifyoutraveleveryday.
A、cheap________theconcerthadbegundidwerealizewhatasplendidshowitwasgoingtobe.
Wemust______thattheexperimentiscontrolledasrigidlyaspossible.
Tostudyaforeignlanguage,__________.
Attendanceatfootballmatcheshave_____sincethecomingoftelevision.
I'm______tograduateinthenexthalfoftheyear.
