1.I wrote something funny on a birthday card for my boss,but she didn't laugh. What （did）you（write）?
2.Lisa is sick today. She （ate） all that birthday cake at the party last night.
3.I gave the wrong birthday present to my girlfriend's mother . What （should） i （give） her ?
4.Harry kissed Mrs.Tanaka last night at the party! Is that appropriate?（how can）he（do）that?


1.When he got to the airport, Ben realized （he） left his passport at home.Of course he missed his flight.
2.The children （have） been eating too much all week. I don't know what to do.
3.My sister （has） been collecting stamps sinse 2001.She really enjoys it.

* 넘버 3 에서 sinse 가아니라 since.

4.What （have） you been doing for the last four months?
5.Until she went to South America, she （had） never danced salsa.
6. NO, he （has） been singing in a choir for three years. He started last year.

휴 - - 이거 그냥 has 나 동사 어케 쓰는지만 알면 쉬운데.. 암튼 수고