thì htđ. 1. He(not walk).....to work every day. 2. He(be)......in Ca Mau. 3.They(be)..... students ? 4. She(wash).......her clothes every Sunday. 5. She(study).......English every day. 6. He(want)........to become a teacher. 7. She usually(walk)......to school. 8. What time........Mary usually(get)......up every morning? 9. She(not wash)......her clothes every weekend. 10.It(not be) often.......cold in summer. The present simple tense 1. (be)......a teacher of English at a junior school in Bac Giang. 2. She often(get)... good marks a Maths. 3. They usually(work).....five days a week. 4. It(not rain).......much in our country in winter. 5. How many people(be)......there in your family? 6. What.......your father(do)......? - He is an engineer. 7. Lan usually(play).......the piano aften school. 8. .........your school(have).......an English club? 9. My teacher always (help)........ us to do difficult exercises. 10. The Earth(circle)........the sun once every 365 days.

trong bài văn những cánh buồm: suốt bốn mùa , dòng sông có đặc điểm gì ? .............

bài 1 tìm x biết: a 3/8. x = 9/8 -1 b 4/5 . x = 7/5 - 1/5 c 12/7 : x + 2/3 = 7/5 d 3. (x +7) - 15 = 27 giúp mik với

b1: th phép tính a. 10/11 : 19/22 + 9/11 : 19/22 b. 20/9 . 84 - 2/9 . 84 c. (1/2 - 1/3) . (5 - 1/4) d. (1/2 - 1/3 - 1/6) . (3/202 + 4/203 + 5/204) b2: th phép tính a. 4 3/8 + 5 2/3 ( hỗn số) b. 2 3/8 + 1 1/4 + 3 6/7 (hỗn số) c. 2 3/8 - 1 1/4 + 5 1/3 (hỗn số) d. 3 5/6 + 2 1/6 . 6 (hỗn số) e. 3 1/2 + 4 5/7 - 5 5/14 (hỗn số) f. 4 1/2 + 1/2 : 5 1/2 (hỗn số) giúp với ạ

b1: th phép tính a. 10/11 : 19/22 + 9/11 : 19/22 b. 20/9 . 84 - 2/9 . 84 c. (1/2 - 1/3) . (5 - 1/4) d. (1/2 - 1/3 - 1/6) . (3/202 + 4/203 + 5/204) b2: th phép tính a. 4 3/8 + 5 2/3 ( hỗn số) b. 2 3/8 + 1 1/4 + 3 6/7 (hỗn số) c. 2 3/8 - 1 1/4 + 5 1/3 (hỗn số) d. 3 5/6 + 2 1/6 . 6 (hỗn số) e. 3 1/2 + 4 5/7 - 5 5/14 (hỗn số) f. 4 1/2 + 1/2 : 5 1/2 (hỗn số) giúp với ạ