I_(buy) a beautiful pen.----when _ you_(buy) it?

I_(buy) a beautiful pen.----when _ you_(buy) it? when _ you_(buy) it? ___(buy) a beautiful pen.-When did you bu when you_ _ _3个空,you_ _两个空cross it at a zebra crossing. She has ( )money( )buy me a pen. This is my first _ to buy such a beautiful dress(choose)这道题怎 could you buy me a new pen when you go shopping this afterno When I save enough money,I am going to buy a beautiful house I buy a beautiful card ___him___a present 小学英语：we can buy a pen in the supermarket.It is o___ now 小学英语 i buy a new house.it has a beautiful swimming po this is a v it may very interseting book.i 'll buy it ,_ a h