I ( ) a present for my mother's birthday.括号里要填 buy还是 bought
问题描述：
I ( ) a present for my mother's birthday.括号里要填 buy还是 bought
答
bought 买了发生在过去，要用过去式
答
用bought吧。
答
bought
答
bought 过去发生的事情
答
bought
因为这个动作可能发生在你说话之前.
如果选BUY的话,必须加一个WILL或者 am going to buy