2. Change into Plural:
1 Is that box empty? - No, it isn´t.
2 This is an apple.
7. Use the verbs in brackets in the Passive Voice:
1. The letter (to receive) two days ago.
2. The article just (to write) in the newspaper "The Sun".
3. The books by M. Twain always (to read) with great interest.
4. This present (to give) to her next Sunday.
5. The guests (to meet) by 5 p.m. yesterday.