(2019宜昌改编)Time past can not be called back again. Wasting time is a ________．
A.pressure B.fairness C.choice D.shame
(2019安徽改编)How time flies! We ________ in China for so long.
A.work B.worked C.will work D.have worked
the, solved, you, have, yet, problem
________________________________________________________________________？
did, he, in, best, exam, the
________________________________________________________________________.
Peter, fastest, runs, class, the, in
________________________________________________________________________.
finished, homework, my, has, already, been
________________________________________________________________________.
