X.
1.A
2.D
3.C
4.C
XI.
1. We'll travel to Nha Trang next week
2. Nga and Lan will visit their grandparents
3. They will go to the tonight
4. Hoa will has lots of friends soon
5. I will come after lunch
6. He will see you tomorrow afternoon
7. My father will be free at 7:30 this evening
8. The students will go camping next sunday
XII.
1.We know him and we know his friend
2.The coat was soft and the coat was warm
3.It is stupid to do that but it is quite unnecesary
4.I wantes to go but he wantes to stay
5.Your arguments are strong but they don't convince me
6.You can go there by bus or you can go there by train
7.I was feeling tired so i went to bed when i got home
