be good at studying 中的studing用原形study还是studying.
studying,studing,study中,study的过去分词,现在分词,动名词是什么?单三式呢
for study English还是for studying English
always study english 还是 always studying english
studying hard to get good grades一句中为何用studying而不是study
This is good for studying.为什么不是study
求语法解析!he seems to be studying it .这句中的to be studying为什么这么用,我
be well in和be good at+动词原形还是
English study study 算什么词?用studying可以么?
是keep study hard还是keep studying hard?
there were about 50 foreign students studying chinese还是study
是make progress in study 还是make progress in studying?
是 the importance of study 还是 the importance of studying