Ex 1:

1, symbolizes

2, scenic

3, tongue

4, orchestra

5, preserve

6, lochs

7, Awesome

8, arrives

9, have celebrated

10, are driving

11, is going to be

12, arrives

13, doesn’t work

14, have lived

Ex 2:

1, knows

2, has already done

3, goes

4, Are they having; are sleeping

5, have they known

6, has

7, catches

8, Is Mrs. Lan using; uses

9, have they known

10, misses

11, haven’t seen

12, don’t eat

13, have attended

14, is Oanh doing; is cooking; cooks

15, plays

16, haven’t met

17, is having

Ex 4:

1, B – They feel difficult.

2, C – difficult

3, C – Pronunciation

4, C- be exposed to English outside the classroom.

5, C – live with native speakers.

6, A – learn important cultural information

7, B - adults