They worked from 6 a.m. to 6 p.m., ________ an hour for lunch.
They worked from 6 a.m. to 6 p.m., ________ an hour for lunch.
A.for
B.in
C.with
D.at
答案及解析： C
They worked from 6 a.m. to 6 p.m., ________ an hour for lunch.
A.for
B.in
C.with
D.at
答案及解析： C