1.Diện tích của một hình chữ nhật bằng 48 cm2, một cạnh của nó có độ dài 8cm. Đường thẳng song song với một trong các cạnh của hình chữ nhật chia hình chữ nhật đó thành hai hình chữ nhật bằng nhau. Tính chu vi của mỗi hình chữ nhật được tạo thành.

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I. Write the sentence so that it has a similar meaning to the original one. 1. Why do you come home late?  What ………………..................................................................................................................................................……………. 2. It is common knowledge that he has been in prison several times.  He is known ……...................................................................................................................................................................... 3. She cannot get into the habit of studying every evening.  She cannot be ………….............................................................................................................................................………… 4. We have not visited the museum before.  This is ……...............................................................................................................................................................................… 5. Immediately after his arrival, things went wrong.  No sooner ………................................................................................................................................................………………. 6. Tam doesn’t type as fast as she used to. Tam used …………….........................................................................................................................................................…….. 7. How long is it since you used the car? When …………………...............................................................................................................................................................…. 8. We started living here 15 years ago. We have………………............................................................................................................................................………………. 9. Let’s meet inside the center, at the cafe corner? How…………………….........................................................................................................................................................……… 10. Nam is very strong, he can do heavy work. Nam is strong …………................................................................................................................................................………… II. Use the following set of words and phrases to complete the following sentences. You can put additional words and make any changes necessary. 1. Last night / cashier / force / hand / money / by / robber.  …………………………...............................................................................................................................................................…… 2. 1897 /when Jack London / 21 / year / old / gold / discover / Alaska.  …………………….............................................................................................................................................................................. 3. If / Peter / wake / earlier / not / miss / train. ...…………………................................................................................................................................................................................ 4. This / be / good / computer / I / ever / use. ………...……….................................................................................................................................................................................… 5. I / ask / Mary / if she/ come / Sydney/ Australia.  ................................ ..........................................................................................................................................................................