Chia dạng thích hợp cho các từ trong ngoặc

III. Cho dạng thích hợp của các từ trong ngoặc.
1. I find History really _________________ (interest)
2. I hope you’ll join in our Christmas _________________. (celebrate)
3. He earns _________________ money than his wife. (much)
4. Summer holiday is the _________________ holiday in Viet nam. (long)
5. I will _________________ be back by ten. (definite)
6. Vietnamese _________________ have fewer vacations than American ones. (study)
7. We should do more to help _________________ people. (home)