: Một mảnh đất hình chữ nhật có chiều dài hơn chiều rộng 5m. Nếu giảm chiều rộng đi 4m và giảm chiều dài 5m thì diện tích giảm 180m2. Tính chu vi mảnh đất lúc đầu?

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I.Choose and underline the correct word: 1.They ………..to Nha Trang last week ( go/ going / went ,is going) 2.The trip to Nha Trang ……………..wonderful (was /were / have / has ) 3. We……………..a lot of gifts in the souvernir ( ate / had / bought / did ) 4. The Robinson went to a foodstall …………..lunch ( to / eat / for / with ) 5. Hoa learned ………..a sewing machine ( using / to use / using / uses ) 6. What do you think…………..Nha Trang ? ( of / in / for / on ) 7. What………..you do yesterday ? ( do / did / are / were ) 8. Hoa’s ……………..is sewing ( time / job / hobby ) 9. Last week , The Robinsons……………..to a new apartment ( moves / move / moved / moving ) 10. They stop …………a restaurant for a long time ( on /to / at / in ) 11.My brother and I ...... TV every evening. ( watch- watches - is watching - watchs 12.They .... at home last night. (are - is - were - was ) 13.Quang ...... with vegetables at the moment. (are loading - is loading - will load – loaded ) 14.Ba ..... lunch at school. (have - has - eat - does ) 15.Ba’s brother ..... volleyball tonight. ( will play - plays - is playing -played ) 16.Where .........you ......... tomorrow? ( will- go - do- go -did- go - were- go) 17.He ....... some souvenirs for her friends 5 days ago. (buys - bought -buy - will buy) 18.Mr. Ba ......... collecting stamps. ( likes - like - is liking - are liking) 19.I ........ swim everyday. (don’t - didn’t - won’t - wasn’t) 20. You can........... here. (play- playing - plays - is playing) 21.She talked to her friends .... Her vacation in Dalat. (in - about- on - with) 22.I ...... very happy on my last vacation. (will be - am - was -were) 23.It was a green skirt with white flowers ....... it. (in - on - at - to) 24.We like ........ together. (talk - to talk - talking - talked) 25.He ........ here tomorrow. (don’t - didn’t - won’t - wasn’t) 26. you go and see her? Because was sick. (When - Where What time - Why) 27......... a nice dress! (How - Who - What - Which) 28.We enjoy .... around the world.( traveled - traveling - to travel - travel) 29.What will you ..... during your vacation? (did - do - does - doing) 30.She needed ........ these post cards to her friends. ( to sent - sending - sent - send)