Số amin bậc một có cùng công thức phân tử C₃H₉N là

A. 4

B. 3

C. 1.

D. 2.

you look a bit fed .....up...... is anything the matter

Nam is a student at Quang Trung(1) . He goes to school(2) Monday to Friday. On Monday, he(3) Math and Literature. He has Music, Geography(4) History on Tuesday. He has English on Wednesday and Thursday. He likes English very much. After school, he reads English(5) or listens to English songs. On Saturday and Sunday he(6) go to school, he goes to the park ang play games(7) his friends. There are many people here so it is very(8) .

1.A.classs B.grade C.school D.city

2.A.from B.at C.on D.in

3.A.does B.is C.has D.watches

4.A.and B.so C.want D.too

5.A.teeth B.face C.housework D.books

6.A.not B.don't C.doesn't D.isn't

7.A.on B.with C.in D.at

8.A.noisy B. beautiful C.queit D.small

My parents are tidying up the cupboard together while I am studying.

Hi!Welcome to Hoc24!Nice to meet you

On the shelves above the desk, there are some books, a radio and some toy animals.