Jack has been working hard and _____ is no doubt that he wil

Jack has been working hard and _____ is no doubt that he wil 填词:you've been working p___ hard these days.there's no doubt _____[A.It B.there] is no doubt that he is a good teacher. There is no doubt that he will come. he is very hard working and she is po There is no doubt that there is no doubt that. He is not _as Jack .but he is more hard-working. he is working hard for fear that he_______. He is also very brave and hard - working. is jack hard-working?咋做 A businessman had been working too hard.He found that he cou