L.Choose who or which to complete the sentences: 1. Peter doesn't know the people
came to the office yesterday.
2. I hope you like the gift
I sent you last week.
3. Last year Don met the artist
draws wonderful cards.
4. Mike will give me the money
I need.
5. The pumpkin
I bought yesterday was very tasty.​

1. Peter doesn't know the people who came to the office yesterday.

Explanation: In this sentence, we are talking about people who came to the office yesterday. The word "who" is used to refer to people as the subject of the verb "came". Therefore, we use "who" to complete the sentence.

2. I hope you like the gift which I sent you last week.

Explanation: In this sentence, we are referring to the gift which was sent last week. The word "which" is used to introduce additional information about the gift. Therefore, we use "which" to complete the sentence.

3. Last year Don met the artist who draws wonderful cards.

Explanation: In this sentence, we are talking about the artist who draws wonderful cards. The word "who" is used to refer to the artist as the subject of the verb "draws". Therefore, we use "who" to complete the sentence.

4. Mike will give me the money I need.

Explanation: In this sentence, we are talking about the money that I need. The word "that" is used to refer to the money as the object of the verb "need". Therefore, we use "that" to complete the sentence.

5. The pumpkin I bought yesterday was very tasty.

Explanation: In this sentence, we are talking about the pumpkin that was bought yesterday. The word "that" is used to refer to the pumpkin as the subject of the verb "was". Therefore, we use "that" to complete the sentence.

Remember, when completing sentences, we use "who" when referring to people as the subject of the verb, "which" when introducing additional information about things, and "that" when referring to things as the object of the verb.