1) He has bought a pen.
他买了一支钢笔。
2) Who does he give a pen to ?
他给谁一支钢笔?
3) I want to buy a pen .
我想买支钢笔。
4) He bought a pair of pajamas.
他买了一套睡衣。
5) He bought a case of beer.
他买了一箱啤酒。
6) He bought a packet of cigarettes.
他买了一包香烟。
参考词条