请教一道英语题He'll use what he has ( ） her a new dressA bought B t

请教一道英语题He'll use what he has ( ） her a new dressA bought B t he'll use what he has (to buy)her a new dress.为什么不是bought he will use what he has ( to buy 还是bought)her a new dress哪个为 he`ll use what she has ____her a new dress 1.bought 2.to buy He'll use what he has _____ her a new dress. He'll use what she has ____ her a new dress. he will use what he has to buy her a new dress What 怎么用what, My cousin will use what he has bought his mother a new dress he said he (C) the new bike for over ten days A.has bought B Tom has a new bike,__________A has he B.hasn't he C.does he 求教一道英语选择题1.He bought a bike last year.He has had the bike () he has just bought a new house.he has been in it( ) a short