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

I. 1. Is that box empty? - No, it isn\'t. Are those boxes empty? No, they are not. 2. This is an apple. These are apples. II. 1. The letter was received two days ago. 2. The article has just been written in the newspaper \"The Sun\". 3. The books by M. Twain are always read with great interest. 4. This present will be given to her next Sunday. 5. The guests had been met by 5 p.m. yesterday.