chu vi của hình tròn có diên tích là 200,93 cm2

Các câu hỏi liên quan

Câu hỏi 4 (13 điểm): Put the verb into the more suitable form, present perfect simple (I have done) or continuous (I have been doing). 1. Where have you been? ……………………………………(you/ play) tennis? 2. Look! …………………………………… (somebody/ break) that window. 3. You look tired. …………………………………… (you/ work) hard? 4. "…………………………………… (you/ ever/ work) in a factory?" "No, never." 5. "Liz is away on holiday." "Is she? Where …………………………………… (she/ go). 6. My brother is an actor. …………………………………… (he/ appear) in several films. 7. "Sorry I'm late". "That's all right. …………………………………… (I/ not/ wait) long?" 8. "Is it still raining?" "No, …………………………………… (it/ stop)". 9. …………………………………… (I/ lose) my address book. …………………………………… (you/ see) it? 10. …………………………………… (I/ read) the book you lent me, but …………………………………… (I/ not/ finish) it yet. It's very interesting. 11. …………………………………… (I/ read) the book you lent me,so you can have it back now. Câu hỏi 4 - Put in the correct verb form. ► I 've done (I / do) all the housework. The flat is really clean now. ► A young couple bought (buy) the house next door. But they didn't live there long. 1 Our visitors …………………(arrive). They're sitting in the garden. 2 There's still a problem with the television. Someone ………………… (repair) it, but then it broke down again. 3 ………………… (I / lose) my bank card. I can't find it anywhere. 4 The match ………………… (start). United are playing well. 5 My sister ………………… (run) away from home. But she came back two days later. 6 Daniel ………………… (earn) some money last week. But I'm afraid he's already spent it all. 7 ………………… (we / plant) an apple tree in the garden. Unfortunately, it died. 8 Prices ………………… (go) up. Everything is more expensive this year. 9 Someone ………………… (turn) on the hi-fi. What's that song called? 10 ………………… (I / phone) the office at eleven to speak to the manager, but he isn't there today. 11 ………………… (I / make) a cake. Would you like a piece? 12 The runner Amos Temila ………………… (break) the world record for the 1500 metres in Frankfurt. Then two days later in Helsinki, Lee Williams ran it in an even faster time.