Mr. Smith gradually _____ a knowledge of the subject.
A、attainedD
暂无解析
Motorists _____ of speeding may be banned from driving for a year.
Unliketraditionalgyms,app-backedgymsofferpeople___________optionstoexercise.
Theyaretryingtomakesurethat5Gterminals_________by2022fortheBeijingWinerOlympics.
More wind power stations will ____________ to meet the demand for clean energy.
It was never clear _______ the man hadn ’t reported the accident sooner
