The opposition leaders ________ the government for not taking action sooner.
B
暂无解析
He thoroughly understood the society __________.
The student found the novel _______. It provided him with so much information about the subject.
Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.
________ the concert had begun did we realize what a splendid show it was going to be.