III. Circle the best answer.
1. Jack, Kate and I ________________in this competition.
a. taked part b. took part c. did took part
2. She ________________in my company in 1989.
a. worked b. is worked c. workd
3. My parents ________________me money for a new computer
a. don't gave b. didn't gave c. didn't give
4. ________________ supper yesterday evening?
a. did you eat b. ate you c. did you ate
5. I ________________Spanish when I ________________ten
a. understood, be b. understood, was c. understood, were
6. My teacher ________________me a lot.
a. like b. didn't liked c. didn't like
7. Yesterday we all ________________to the cinema to watch a nice comedy
a. went b. goed c. did go
8. As a child he ________________polite, so she punished him a lot.
a. didn't be b. weren't c. wasn't
9. Last year we ______________to Italy and _____________many famous places.
a. go, visit b. goed, visited c. went, visited
10. __________she _____________this beautiful dress in London?
a. does ________buy b. did ___________buy c. did _________bought

1/4 m ko bằng 4 m đâu

Không quy đồng mẫu số hoặc tử số, so sánh hai phân số
97/100 và 119/122

0/2017

 C mà!

4/3 = 4 x 2/3 x 2 = 8/6 và 3/2 = 3 x 3/2 x 3 = 9/6
8/6 < 9/6