`9` . D, âm /tʃ/ còn lại là /k/

`10` .B âm /oʊ/ còn lại là /ʌ/

`11`. C, âm /z/ còn lại là /s/

`12`. A, âm /z/ còn lại là /iz/

`II`

`13`. play (Why don't we/you + Verb (nguyên mẫu) + …?)

`14`. is ( so sánh nhất ( S + to be + the + adj/ adv 'est ' + N ))

`15`. goes ( DHNB: sometimes --> hiện tại đơn )

19. Students join the Red Cross are willing to help poor and disable people.

`16` . are talking ( DHNB: now --> hiện tại tiếp diễn , The school boys and school girls có s là số nhiều nên dùng are )

`III`

Students nowadays have more chances to take part in after-school activities. Some students stay at school and play such sports as football, badminton, table tennis, volleyball and basketball. These sports help them not only relax themselves but also improve their health. Other students attend music and drama clubs. They practice playing musical instrument or rehearse for a play. Students who enjoy social activities join the Red Cross. Members of this learn how to do first aids. They are willing to go to remote areas to help poor people and disabled people on their days-off.

Sentences T F

17. Students nowadays have more chances to take part in school activities. T

`->` Dẫn chứng dòng 1 :Students nowadays have more chances to take part in after-school activities.

18. Sports help them relax and improve their health. T 

`->`Dẫn chứng These sports help them not only relax themselves but also improve their health

9. Students join the Red Cross are willing to help poor and disable people. F 

`->` Students who enjoy social activities join the Red Cross.Members of this learn how to do first aids. They are willing to go to remote areas to help poor people and disabled people on their days-off.