He doesn’t feel very tied after the heav
题型:选择题
问题:
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
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