Unit 4 : School education system : Test 3

where do most British people 

Giúp mình bài này với ạ, Mình cảm ơn mọi người nhiều

A friend of yours has just decided to change her aspiration from natural science into social science. She has written to you asking for some advice about how to prepare well for the national high school exam . Write a letter (80- 100 words) to your friend giving him/her a few pieces of advice that you think are useful.

Ai muốn nhận card 100k thì vào trang t giải bài tập và giải thích, xong ib nhận ngay card 100k

Câu hỏi:

The number of people affected by the devastating earthquake ..................................... with certainty.

A. Have not yet determined

B. Has not yet determined

C. Have not yet been determined

D. Has not yet been determined