edison spent a lot of time ___the experiment
edison spent a lot of time ___the experiment
I spent a lot of time ( ) English last weekend
Benjamin spent a lot of time learing about _____.
I spent a lot of time learning dancing同义句
She spent a lot of time and money ____ them
He spent a lot of time playing with his pei dog (对 a lot of
He spent a lot of time ------all kinds of ball games .(play)
Li Hui spent a lot of time playing all kinds of ball games.(
He spent a lot of time ------all kinds of ball games .填play的
:Li Hui spent a lot of time playing all kinds of ball games.
He spent a lot of time _____(take care of ) his old grandmot
we have spent a lot of time in solving the()A.question B.pro