选择正确的词填空。
1. There are a lots of things ____ I need to buy before the trip.(that, who)
2. Summer is the time of year ____ the day is longer. (that, which, when)
3. The computer ____ last week works well.(which we bought it, that we bought it, we bought, what
we bought)
4.A good friend is someone ____ makes me happy. (which, /, that)
5. The young lady ____ you talked with is Lynn's mother.(whom, whose)
