Scientists doubt wheth er it ’s ________ to regulate one ’s biological clock by drinking.
A
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
Thepolicemancameuptothelonelyhousewiththedoor_______,_______thereforawhileandthenenteredit.
Thegovernmentcalledoutpolicementosuppresstheriot.
Heshookhandswiththevisitors________astoconveyhisapology.