﹣﹣﹣Peter has made great progress in English recently.
﹣﹣﹣ . He has been studying so hard these days.( )
A.So have heB.So he hasC.So he haveD.So has he
His parents were watching TV while he (do)his homework.
The report must (hand)in next Tuesday.
Jim's uncle (eat)nothing yesterday evening.
He (not be)back home for five years.
It's very hot.The child doesn't mind (open)the window.