----- Nội dung dịch tự động từ ảnh ----- EX3. Circle the best option A, B, C or D to complete the sentences. coins and stamps since she was six. 16. Hoa A. was collecting 17. I think this newspaper is not A. inform 18. She can't go camping with her friends tomorrow because she will have to sister. B. has collected C. collected D. will collect any more. B. informatively C. informative D. information her little A. keep on B. make up C. look up D. look after 19. These children are interested computer games C. in playing than the ones in that book. C. the most difficult A. to play B. on playing D. of playing 20. The exercises in this book are A. as difficult B. more difficult D. most difficult