1.Last night, I did not order a milkshake because I was not thirsty.

2.How much time do you spend on math homework each day?

3.Eating fruits and vegetables is the healthiest way to stay fit.

1.I fancy taking part in a clean-up event this month.

2.The bookshelves are the same height as the windows.

3.Why don’t we collect old plastic bottles and paper in our school?

4.My friends go to the studio to practice dancing, and so do I.

1:We planted trees together in the community garden a month ago.

2:We planted trees together in the community garden a month ago.

3:We have a school assembly in the school yard on Monday mornings.

Nguyên tố A có số hiệu nguyên tử là 6 nằm ở ô số 6, chu kỳ 2, nhóm IVA trong bảng tuần hoàn và đây là một nguyên tố phi kim.