问题
选择题
He doesn’t feel very tied after the heavy work, because he is used to ______ for hours without a rest.
A.work
B.working
C.works
D.worked
答案
答案:B
He doesn’t feel very tied after the heavy work, because he is used to ______ for hours without a rest.
A.work
B.working
C.works
D.worked
答案:B