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1. The car which we bought last week is blue.

2. The girl who we met at the party is a singer.

3. The bananas which George bought are on the table.

4. The film which we watched last night was really scary.

5. The new words which I have to learn are very difficult.

1. We bought a car last week. The car is blue.

→ The car which we bought last week is blue.

2. The girl is a singer. We met her at the party.

→ The girl whom we met at the party is a singer.

3. The bananas are on the table. Geroge bought them.

→ The bananas that Geroge bought are on the table.

4. We watched a film last night. It was really scary.

→ The film which we watched last night was really scary.

5. I have to learn new words. They are very difficult.

→ The new words that I have to learn are very difficult.