Scientistsdoubtwhetherit’s________toregulateone’sbiologicalclockbydrinking.
A、feasibleA
A 可行的、可能且合理的 B 不可相信的、难以置信的 C 时髦的、时尚的 D 贵重的、宝贵的
______ is recognized as the national flag-carrier.
Thepolicemancameuptothelonelyhousewiththedoor_______,_______thereforawhileandthenenteredit.
Hefound_______difficulttostudymaths.
IntheU.K.,theQueen'sSilverJubileeisin_______.
Motivationandpersonalitymay________thevaryingdegreesofsuccessinone’scareer.
