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
Chinaisamountainouscountry.Hills,mountains,andplateauscover_______ofthetotalarea.
Scientistsdoubtwhetherit’s________toregulateone’sbiologicalclockbydrinking.
Motivationandpersonalitymay________thevaryingdegreesofsuccessinone’scareer.
Why couldn ’t you ________ an answer when I asked you why you were late?
________inthought,healmostranintothecarinfrontofhim.
