Cho dãy các chất: metan, etilen, anđehit fomic, stiren, ancol anlylic, axit axetic. Số chất trong dãy phản ứng được với H 2 N i , t ∘  là

A. 4

B. 2

C. 3

D. 5

" Balanced diet " means you eat variety of food without eat much anything.

1 : She didn't buy rice and vegetables yesterday , neither do we .

2: Yesterday , I was absent from school because I was ill .

3: Are thereva lot of interesting shops in the city ?

4 : The dentist looked at my teeth and told me not to worry >

là ăn nha bn