Bác Lan gửi tiết kiệm 500 triệu đồng và một ngân hàng loại kì hạn 12 tháng với lãi suất x % năm
a. Gọi y là số tiền bác Lan nhận về ( cả gốc và lãi) sau 1 năm. Biểu diễn y theo x
b. Nếu lãi suất gửi cho kì hạn 12 tháng của ngân hàng là 5,8% năm thì sau 1 năm, số tiền lãi bắc Lan nhận được là bao nhiêu?
2. Put the verbs in the Past simple or past perfect.
1.Karen ( not want )...... to come to the cinema with us because she ....... ( arealy/ see) ........ the film
2.When the students ( do ) ........ the experiment, they ( write)...... a report on it
3. " Was Tom at the party when you arrived?" - No, he ( go ) ......... out
4. Sorry I'm late. The car ( break)............. down on my way here.
5. I (take) .......... the book back to the library when I ( read) ......... it
6. Yesterday morning I ( remember ) ......... the answer to the question Bob ( ask )........ me the night before, so I (phone ) ...... him
7. Last night, I (go) ....... to Jim's room and ( knock)........ on the door but there ( be) ....... no answers. Either he ( go)......... out or he ( not want) ......... to see anyone
8. Angela asked me how to use the photocopier. She ( never/ use)................... it before, so she ( not/ know) ............ what to do
9. I (live) ...... in the Texas for 4 years before I ( move)......... California.
10. When Mr. Smith ( wake ).......... yesterday morning, breakfast (already be )......... ready
11. Before I ( get) ........... promotion, I (work) .......... very hard
12. Yesterday, my morther ( pick ) ........... me up from school before we ( go ) ........ shopping together
13. Our grandparent ( tell ) ........... us that he ( serve ) ........... in the army in 1945
14. After having dinner with my boyfriend, I (go) ......... in front of such large
15. Yesterday ( be) .........the frist time Jane ( perform) audience
16. Perter ( admit)......... he ( break) ........... my favorite vase the day before.
17. What ( you/ do)............. before you (come ) ........... there?
18. Yesterday I ( feel) ....... nervous as I ( not prepare) ........... my presentation carefully.
19. ( Perter/ come) ......... to see you after he ( finish)........... his work ?
20. When she ( finish) ....... her work, she (go) ........ to the cinema