We can choose our friends, but we cannot choose our relatives. That does not mean that members of our family cannot also be our friends. Many children have a very good relationship with their parents and they see them as friends. Of course when you are teenager, there are time that you do not get on very well with their parents, or they can get angry with you. That only natural. There are times you want to be independent and decide things by yourself. After that, nobody perfect and we all make mistakes. But your parents understand that. When you grown up, ou will see that you have many things in common with your mum and dad and you will be closer to them.

1. My brother plays football very well

=> My brother is a good footbal player.

2.Mai like playing badminton most

= Badminton is Mai's favourite sport

4. Children take part in many after-school activities when school finishes

= Children do many after-school activities when school finishes.

5. Lan is very good at basketall

= Lan can play basketball well.

Cho mượn nè

Although our environment is good now, but there are still many problems that need to resolve. Everyday throughout the world, millions of newspaper and paper bags are screwed and thrown away. All of you will surprise to hear this but this is the true. I think we should recycle more rubbish to reuse it again. Like using its to make toys or manything else. We can use old car tires to make shoes and sandals too. We can do things the same as these things instead of throwing rubbish into the rivers, lakes and seas, making the water unclean, throw out of the streets and public places like park, movie theater and many other places. If there are old clothes in your house, what will you do with them ? Throwing them away? There are many people in the world don't have clothes to wear, so pleased don't throw it away ! Give it to charities. I hope you will do some of my ideas to safe our environment. Our Earth will be more and more cleaner.

I felt over a rock

Cho biết trong quá trình giảm phân của cơ thể đực có một số tế bào có cặp NST mang cặp gen Dd không phân  li ở lần phân bào II, các tế bào khác giảm phân  bình thường và cơ thể cái giảm phân bình thường. Ở đời con của phép lai ♂AaBbDd x ♀AabbDd, sẽ có tối đa bao loại nhiêu kiểu gen khác nhau?

A. 108.

B. 60.

C. 54.

D. 90.