CÁC BẠN HÃY CHẤM ĐIỂM CHO MÌNH NHÉ ><
9. don't know (like chia HTĐ)
10. had been waiting (xảy ra trước hđ khác trong QK chia QKHT)
11. received (yesterday chia QKĐ)
12. will play (next chia TLĐ)
13. have never been (never mang nghĩa chưa bao giờ thì chia HTHT)
14. is riding (at the moment chia HTTD)
15. was raining (hđ đang xảy ra trong quá khứ chia QKTD)
16. started (last chia QKĐ)
17. is having (at the moment chia HTTD)
18. arrived (sau when + QKĐ)
