1. what (do)........now?
2. He (water).......flowers in the garden
3. At the moment, my sisters (play) ..........volleyball and my brother (play).....soccer
4. It is 9:00; my family (watch).....TV
5. In the summer, i usually (go).....to the park withmy friends, and in the spring, we (have).......Tet holiday; I (be).......happy because I always (visit).......my grandparents
6. her favourite subject (be).........English
7. Keep silent! I (listen)...........to the radio
8. Every morning, I (watch).......TV at 10:00, but today I (listen).......to music at 10:00
9. At the moment, I(read)..... a book and my brother (watch)...........TV
10. Theu usually (get up)......at 6:00 in the morning
II. Put the verbs in the brackets: simple presnt and present continous
1. I (live)........ with my parents but right now I (stay).......with some friends for a few days
2. I can't talk on the phone now. I (drive)....... home
3. Where are the children? They (lie).......on the beach over there
4. He (not understand)........what you (talk).......about. He is foreign
5. How much your suitcase (weight)......?It (look)...really heavy
6. Normanly I (start).......work at eight o'clock but I (start).........at 7 this week. We are busy just now
7. What is the smell? Something (burn)........in the kitchen
8. I (work)........overtime this month because I (save up)........to buy a car
9. He (smoke)........thirty cigarettes a day at the moment he (try).........very hard to cut down
10. We usually (read).......books,(listen).......to music or (watch)........TV
cho tam giác ABC, có trực tâm H. Gọi M,N theo thứ tự là trung điểm của BC, AC. Gọi O là giao điểm các đường trung trực của tam giác
a, CM: ΔOMN∼ΔHBA. Tìm tỉ số đồng dạng
b, So sáng độ dài AH và OM
c, Gọi G là trực tâm của tam giác ABC. CM: ΔHAG∼ΔOMG
d, CM: H,G,O thẳng hàng và GH=2GO