1 Young people of different nations go on the expeditions

2 there are ten expeditions every year

3 It lasts for ten weeks

4 They do environmental research

5 We must know English to become a volunteer

1 father's hobby is

2 spends hours drawing

3 gardening

4 colourful

5 to homeless children

6 teacher

7 vegetables and fruit is good for your health

8 my face and brush my teeth

9 much fast food and sweetened food

10 his brother like playing chess

đề là gì vậy b

C

1a 2b 3c 4a 5d 6c 7c 8a 9 đề sai vì ko từ nào phát âm giống nhau cả

10 đề sai

11c 12b 13d 14d 15a

1 were clapping

2 was holding

3 were taking

4 were sitting

5 were crying 

6 were not enjoying

7 was talking

8 didn't feel

1b 2a 3b 4d 5b 6d 7d 8a 

1d 2b 3d 4c 5d 6b 7d 8c

27c

12d 13a 14c 15a 16c 17a 18a 19b 20a 21b 22b 23c 24b 25d 26a 27 còn 2 đáp án nữa mà