XI. Write a short paragraph about your favourite leisure activity. ♦ What do you enjoy doing in your leisure time? ♦ What is your favourite lei

XI. Write a short paragraph about your favourite leisure activity. ♦ What do you enjoy doing in your leisure time? ♦ What is your favourite leisure activity? ♦ Why do you enjoy doing it? ♦ How did you start doing it at first? ♦ How often do you practice it? ♦ Who do you often … Đọc tiếp

Ex 1, Rewrite the sentences in the passvie voice 1, She cleans the office every evening at 5:00 ==.. 2, Volunteers are planting

Ex 1, Rewrite the sentences in the passvie voice 1, She cleans the office every evening at 5:00 …………………….. 2, Volunteers are planting trees in the forest …………………….. 3, They hold the Summer Olympics every four years …………………….. 4, did they discover America in 1942? …………………….. 5, They have closed the road due to an … Đọc tiếp

Câu 1: CH2=C(CH3)2 có tên thay thế theo IUPAC là? Câu 2: Hợp chất X có CTPT C3H6 . biết X td với HCl chỉ thu đc 1 sp hc duy nhất. X là: Câu 3: Khi thế

Câu 1: CH2=C(CH3)2 có tên thay thế theo IUPAC là? Câu 2: Hợp chất X có CTPT C3H6 . biết X td với HCl chỉ thu đc 1 sp hc duy nhất. X là: Câu 3: Khi thế 1 ankan X cới Cl2 trong đk chiếu sáng và theo tl mol 1:1, ng ta chỉ … Đọc tiếp