21. My brother (not/ play)……….. any sport since last year.

22. I’d better take a bath. I (not/take)……………………one since Sunday.

23. I don’t keep in touch with Alan and we (not/call)…………………each other for 6 months. 

24. I……………….just (realize)…………… that there are only two weeks to the final exam.

25. She (finish) … the English course this week.

26. Elizabeth already _________ (make) her bed but she ____________ (not/call) her boyfriend.

27. There _________ (tobe) many accidents on that road for 6 months.

28. Truong ___________ (perform) the same play since 2017.

29. A: _________ you ________ (visit) New York?

      B: No, I haven’t.

30. My brother ___________ (work) for that company since 2018

Cô giáo khuyên em điều  gì 

So sánh phân số :