trên cùng một nửa mặt phẳng có bờ chứa tí Ox vẽ tia Oy và Oz sao cho xÔy= 45o, xÔz= 90o
a, tính góc yOz . tia Oy có phải là tia phân giác của góc xOz không?
b, gọi On là tia đối của tia Ox tính góc nOz
c, gọi Om là tia phân giác của góc nOz . tính góc mOy
d, vẽ tia Oa là tia đối của tia Oy. tính góc zOa
6. Use these words to make past simple sentences.
1. I/ not/go swimming/ yesterday.
……………………………………………………….
2. The children / plant/ some trees/ schoolyard.
……………………………………………………….
3. My mother/ go for a walk/ with/ friends/ in /park.
………………………………………………………………………..
4. Lan/ cook/ chicken noodles/ dinner.
…………………………………………………………….
5. Nam/ I/ not study/ hard/ last semester.
……………………………………………………………..
6. My father/ play/ golf/ yesterday.
………………………………………………………………
5. Put the verb in the past simple tense:
1. My family (have) …………….. a great time in Nha Trang last summer vacation.
2. Her aunt (take) ………………. her to see Eiffel tower when she was in France last year.
3. Tuan (talk) ……………… to a foreign woman yesterday.
4. She (spend)………….. all her money on shopping last week.
5. She (not buy) …………….. a lot of clothes for her family.
6. He (eat) ……………. a lot of cakes and oranges yesterday.
7. Angela (not play) ………………. games last night.
8. My vacation in Hue (be) ……………….. wonderful.
9. I (stay) …………… at home all weekend.
10. My parents (be) ……………….. very tired after the trip.