Why does charlie think borrowing magazines might be a good idea?中BORROWING 要加ING?一般疑问句动词不应该原形吗 这里的BORROWING 是不是动名词啊?

Charlie charlie charlie 求Why does Charlie think ___ magazines might be a good idea?A.borrow B.is borrowing c.borrowing D.will borrow 英语语法解释Why does Charlie think borrowing books might be a good idea?这句话中的“borrow”为什么要加“ing”?“think”和“borrow”都是动词呀！ Why does charlie think borrowing magazines might be a good idea?中BORROWING 要加ING?一般疑问句动词不应该原形吗 这里的BORROWING 是不是动名词啊? charlie is a clever boy but he does not work hard.sam也是,怎么说 why does she like math? Why does Amy like math? Why does she want to Why Does She Stay 歌词 why does the bird fly Why does B come before “why” what does it means? why does she live me. why does racial discrimination exist? why does wang talk to Why does you like winter?