Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.
A、tookWeregretto________thatitmaynotbepossibletodealwitheveryrequest.
Hethoroughlyunderstoodthesociety__________.
ItwasthreeBritishsportsmenwho________banneddrugs.
Forthenewcountrytosurvive,________foritspeopletoenjoyprosperity,neweconomicpolicieswillberequired.
She________hernervousnesstotheimportanceoftheinterview.
