Exercise 5:

1, C – recognized

2, B – foundation (n, sự thành lập)

3, A – symbol (n, biểu tượng)

4, C – architectural (adj, thuộc về kiến trúc)

5, A – beauty (n, vẻ đẹp)

Exercise 6:

1, to

2, in

3, in

4, on

5, with

Exercise 7

1, A -> to travel

2, B -> completed

3, C-> go

4, C -> walking

5, A -> How long

 

Ex5:

1.C – recognized

2.B – foundation 

3.A – symbol 

4.C – architectural

5.A – beauty

Ex6:

1.to

2.in

3.in

4.on

5.with

Ex7:

1.A -to travel

2.B -completed

3.C-go

4.C -walking

5.A -How long