A.idiotB.sillyC.ridiculousD.foolish
A. idiot
B. silly
C. ridiculous
D. foolish
A.thatB.ifC.whoseD.what
A. that
B. if
C. whose
D. what
A.rootB.risksC.stepsD.place
A. root
B. risks
C. steps
D. place
A.beB.beingC.have beenD.have
A. be
B. being
C. have been
D. have