Bài 1: Điền dạng đúng của từ trong ngoặc. 1. She (not study) ………. on Saturday. 2. He (have) ………. a new haircut today. 3. I usually (have) ……….breakfast at 6.30. 4. Peter (not/ study)……….very hard. He never gets high scores. 5. My mother often (teach)……….me English on Saturday evenings. 6. I like Math and she (like)……….Literature. 7. My sister (wash)……….the dishes every day. 8. They (not/ have)……….breakfast every morning. Bài 2: Viết lại câu, điền đúng dạng từ trong ngoặc. 1. My brothers (sleep) on the floor. (often) =>____________ 2. He (stay) up late? (sometimes) => __________ 3. I (do) the housework with my brother. (always) => __________ 4. Peter and Mary (come) to class on time. (never) => __________ 5. Why Johnson (get) good marks? (always) => __________ 6. You (go) shopping? (usually) => __________ 7. She (cry). (seldom) => __________ 8. My father (have) popcorn. (never) => __________ Bài 3. Hoàn thành các câu sau sử dụng động từ trong ngoặc chia ở thì hiện tại tiếp diễn 1.My grandfather ________________ (buy) some fruits at the supermarket. 2.Hannah ________________ (not study) French in the library. She’s at home with her classmates. 3.__________________ (she, run) in the park now? 4.My dog ________________ (eat) now. 5.All of Jack’s friends ________________ (have) fun at the concert right now. 6.My children ________________ (travel) around Asia now. 7.My little brother ________________ (drink) milk at the moment. 8.Listen! Our teacher ________________ (speak). Bài 4: Chia động từ trong ngoặc ở thì hiện tại tiếp diễn hoặc thì hiện tại đơn 1.It often ________________ in Ireland (rain).  ________________ there now (rain)?  2.Susan ________________ to her parents every Sunday night (write).  3.He ________________ tennis with Sue. (play) now. 4.She usually__________________ in Northbridge but she ________________ with friends at the moment. (live, stay)  5.Hurry up! The teacher ________________ to begin (wait). 6.I ________________ a word Tim says (not believe). 7.The new lawnmower ________________ well at the moment. (work)  8.What ________________ do for a living? (you, do)  9.Look! She ________________ in the non- smoking area (smoke)  10.My brother ________________ to Italy twice a week. (go) 11.He usually ________________ out on Saturday night. (go)  12.She ________________ by train to Liverpool this weekend. (depart)

Xác định đỉnh $I$ của mỗi parabol $\left(P\right)$ sau đây. Viết công thức chuyển hệ tọa độ trong phép tịnh tiến theo vectơ $\overrightarrow{OI}$ và viết phương trình của parabol $\left(P\right)$ đối với hệ tọa độ $IXY$.

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