This is the pen ____ he bought yesterday.
举一反三
- This is the pen ____ he bought yesterday. A: which B: who C: when
- —How long_________ you_______ this pen? --Only one day. I bought it yesterday.
- The book ___ he bought yesterday is very interesting.
- 青书学堂: He bought a _____ carpet yesterday.
- 我昨天买的钢笔将作为礼物寄给你。 The pen, _____ I bought yesterday, will be sent to you as a gift.