【单选题】_____ on the subject for half an hour, Liu Ying suddenly stopped. [ ]
【单选题】Of the two shirts, I'd like to choose _______one.
【单选题】Children who are not active or ______ diet is high in fat will gain weight quickly. [ ]
【单选题】I spent half an hour ______ this difficult math problem.
【单选题】They worked ______ 6 a.m. to 6 p.m., with an hour ______ lunch.
【单选题】Which city would you like to live in, Beijing or Shanghai? ________I'd like to choose Kumming.
【单选题】Of the two _____ I'd like to choose ______ expensive one.
B.
handkerchieves; a least
C.
handkerchiefs; the less
D.
handkerchieves; the least