7.Where is your brother going to?
8.What did mr.Cuong do at 5.30 yesterday?
Or "When did mt.Cuong do morning exercise yesterday?"
9.Who did Hoa receive letter five days ago?
10.How many students are there in Lan's class having toothache?
Ex 3
1.How heavy is your suitcase?
2.It is not easy to speak English fluently.
3.John used to smoke cigarettes when he was a young man.
4.He asked me why I wanted the job.