230. We ……….. (not live) in England for the last two years. 231. He ……….. (not arrive) when I ……….. (write) my last letter to you. 232. I never ……….. (forget) what you just ……….. (tell) me. 233.They ………….. (prepare) the Christmas dinner today. 234. When I last ………. (stay) in Cairo, I …………. (ride) to the Pyramids on a camel that my friend ……..(borrow) the day before. 235. He knew that I ……….. (come) the following week. 236. She understood that we ………… (promise) to go. 237. I ……….. (be) pleased if he came. 238. I was taught that the sun ………… (be) bigger than the moon. 239. The boy knew that an hour …………. (have) sixty minutes. 240. I didn‟t know what time it ……….. (be), so I ……….. (turn) on the radio.

M.n giúp em vs ạ😊😊 Cho 2 đường thẳng yt và xz cắt nhau tại O.Biết góc xÔy - yÔz = 20°.Tính các góc còn lại.. lu mọi người nhiều lắm

201. He ( have) ………… an argument with his boss, so he decided to resign. 202. You’d better tell the truth now, you (lie)…………… so often. 203. She wanted to help sick children so she [train]……………as a nurse. 204. He was fed up and that’s why he [give]…………….up working for them. 205.They had been charged with bugging his flat but they [deny) ………….. all the allegations last week. 206. At last we [let]………….him drop his evening classes. 207. I [not hear]………….the telephone because we were having an early evening drink on the terrace. 208.Up to now, I _____ (never see) such a fat man. 209.Up to then, I _____ (never see) such a fat man. 210.It’s the first time I _____ (eat) this.

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191. Who is this lady? She (move)…………… into No 4 last month. 192. This hotel is empty, it (not live)……………. in for a long time. 193. What a pity! We‟ve got a bottle of wine but we ( not bring)………….. a corkscrew. 194. They were very busy because a water pipe (leak) ………….. . 195. He (can not)……………. get the lid off so he lost his temper. 196. Yesterday afternoon he (have)…………… a nap in the garden chair when a boy dropped a ball on his head. 197. It was her birthday so he (buy)…………… her a bunch of flowers. 198. He was looking at a map so he (not notice)………….that the car in front of him had stopped at the traffic lights. 199. He was running fast and he (bump)…………….. into an absent-minded old man. 200. We didn’t do the shopping because we (not have) ………….. time.

làm nhanh và chính xác giúp e với ạ đủ hai tiêu chuẩn vote 5 sao và câu trả lời hay nhất

tính giá trị của biểu thức bằng cách hợp lý b)B=x^6-20x^5-20x^4-20x^3-20x^2-20x+3 tại x=21 *gợi ý:vì x=21 nên x-1=20

221. By the time the police arrived, the house ______ (be) burned down. 222. So far this week there _____ (be) three burglaries in our street. 223. She came into the room while they ______ (watch) television. 224. As soon as we find another apartment, we ______ (move). 225.She …………… (play) the piano when our guests ………… (arrive) last night. 226. She just ………….. (come) in and …………. (see) you in five minutes. 227. I ………… (come) as soon as my work is finished . ~ You ………… (be) ready? 228. My mother ………… (come) to stay with us next weekend. 229. Violets ……….. (bloom) in the spring. 230. We ……….. (not live) in England for the last two years.

Cô ao giúp tôi voi moi học lớp 9 thôi đang lam bao toan electron nha

211.This is the worst storm I _____ (ever see). 212. It was the first time I _____ (ever see) such a beautiful girl. 213. It was the most exciting film I _____ (ever see). 214. This was the dirtiest looking dog I _____ (ever see). 215.When I came here I _____ (find) that everything _____ (be) ready. 216.I was late. The teacher _____ (already give) a quiz when I _____ (get) to class. 217. When I _____ (come) there, she _____ (go) away half an hour before. 218.Sam _____ (already leave) when we _____ (get there. 219. My friend ______ (not see) me for many years when I _____ (meet) him last week. 220. After John _____ (wash) his clothes, he began to study.