EX1 :

1, entertainment

2, programme

3, because

4, enjoy

5, friends

6, programme

7, crazy

8, restrict

EX2

1, C

2, B

3, D

4, A

5, D

EX3

1, We will travel to Nha Trang next week

2,  Nga and Lan will visit their grandparents

3, They will go to the movies tonight

4, Hoa will has lots of friends soon

5, I will come in 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

EX4

1, We know him and his friends

2, The coat was soft and warm

3, It is stupid and unnecessary to do that

4, I wanted to go but he wanted to stay

5, 

6, You can go by bus or by train

7, I was feeling tired so I went to the bed when I got home