Nguyễn Trà Giang

Hình như bn viết nhầm đề r

lẽ ra phải là: 125125/126126

\(\dfrac{14}{21}=\dfrac{14:7}{21:7}=\dfrac{2}{3}\)

\(\dfrac{20}{28}=\dfrac{20:4}{28:4}=\dfrac{5}{7}\)

\(\dfrac{24}{120}=\dfrac{24:24}{120:24}=\dfrac{1}{5}\)

\(\dfrac{75}{100}=\dfrac{75:25}{100:25}=\dfrac{3}{4}\)

\(\dfrac{12}{60}=\dfrac{12:12}{60:12}=\dfrac{1}{5}\)

T

F

F

T

1. They were playing tennis  at 10.30 yesterday morning

2. Ann was doing homework at 5 o'clock this afternoon

3. My father was washing car from five to six

4. This time last year we were living in France

6. I was cooking dinner half an hour ago

7. She was working the studio that time

8. What were you doing from 3 to 6 yesterday afternoon?

9. I was writing my reports at 8 o'clock last night

II

1. D

cook ⇒ cooking

2. B

not give ☛ not to give

III

1. has been selling        3. were

2. still lived                     4. leaves

at

- at: noon/night/midday/midnight

chậm hơi rùi, bùn qué ☹☹