根据句意，在答题卡标有题号的横线上，写出括号内所给单词的适当形式。
1. At present people like to eat _________(health) food and do more exercise.
2. The three _________(spaceman) of the spaceship were warmly welcomed in Hongkong.
3. He has had a bad toothache. He must be at the____________(dentist) at the moment.
4. Daniel’s mother has devoted ____________(she) to the teaching of Home Economics.
5.He is very happy because tomorrow is his _________(九十) birthday
1.healthy 2.spacemen 3. dentist’s 4.herself 5.ninetieth