B. make interrogative sentences beginning with the words in brackets
1. the children are watching tv at this moment. (who)
2. he was reading a book the whole evening yesterday. (what)
3. we will be writing letters at 5 pm tomorrow. (when)
4. he is having tea now. (who)
5. they were walking in the park at 7 yesterday. (where)
6. we will be discussing this problem at 11 o'clock tomorrow. (what)
7. the little girl is crying bitterly. (why)
8. the pupils were writing a composition for 3 hours last week. (how long)
9. he will be taking a shower at 7 in the morning. (when)