EX 1:

1. Be careful! The car (go) is going so fast.   (Thì HTTD căn cứ vào Be careful!)

2. Listen! Someone (cry) is crying in the next room.   (Thì HTTD căn cứ vào Listen!)

3. Is your brother (sit) sitting next to the beautiful girl over there at present?   (Thì HTTD căn cứ vào at present)

4. Now they (try) are trying to pass the examination.   (Thì HTTD căn cứ vào Now)

5. It’s 12 o’clock, and my parents (cook) are cooking lunch in the kitchen.   (Thì HTTD căn cứ vào It’s 12 o’clock)

6. Keep silent! You (talk) are talking so loudly.   (Thì HTTD căn cứ vào Keep silent!)

7. I (not stay) amn't staying at home at the moment.   (Thì HTTD căn cứ vào at the moment)

8. Now she (lie) is lying to her mother about her bad marks.   (Thì HTTD căn cứ vào Now)

9. At present they (travel) are traveling to New York.   ( Thì HTTD căn cứ vào At present)

10. He (not work ) isn't working in his office now.     (Thì HTTD căn cứ vào now)

EX 2:

1. My/ father/ water/ some plants/ the/ garden

→ My father is watering some plants in the garden now     (Câu này ở thì HTTD căn cứ vào now)

2. My/ mother/ clean/ floor/.

→ My mother is cleaning the floor at present        (Câu này ở thì HTTD căn cứ vào at present)

3. Mary/ have/ lunch/ her/ friends/ a/ restaurant.

→ Mary is having lunch with her friends in at a restaurant     (Câu này ở thì HTTD căn cứ vào nghĩa)

4. They/ ask/ a/ man/ about/ the/ way/ the/ railway/ station.

→ They are asking a man about the way to the railway station   (Câu này ở thì HTTD căn cứ vào nghĩa)

5. My/ student/ draw/ a/ beautiful/ picture

→ My student is drawing a beautiful picture      (Câu này ở thì HTTD căn cứ vào nghĩa)

Ex1 1 is going 2 is crying 3 is sitting 4 are trying 5 are cooking 6 are talking 7 are not staying 8 is lying 9 are travalling 10 is not working

Mình chỉ bt làm Ex 1 thôi , thông cảm ạ