Use the pronouns "some, any, no" and their derivatives "somebody, anybody, nobody, something, anything, nothing".
1. There are .... apple-trees in the garden. 2. Has he ... money in his pocket? 3. I see ... in the dark room. 4. He had ..... in his hand. 5. Can .... solve this difficult problem on the computer? 6. Listen, ...... is knocking at the door. 7. Are there ... lectures in the evening?. 8. Ask ... else about it. 9. I must tell you .... very interesting. 10. I don't know .... about this man.
Answers & Comments
1. Thereare some apple-trees in the garden.
2. Has he anymoney in his pocket?
3. I see somebody/nobodyin the dark room.
4. He had something/nothingin his hand.
5. Can anybidysolve this difficult problem on the computer?
6. Listen, somebodyis knocking at the door.
7. Arethere any lectures in the evening?.
8. Ask somebodyelse about it.
9. I musttell you something very interesting.
10. I don'tknow anybody about this man.