Its a idiom which means that persons who are in same interests always works in the same company.

You should talk to your family members, teachers, friends etc. in English . Keep practicing. Practice makes a man perfect.

You should say : " The police didn't asked him . "

Shakira

Both are correct . Favorite is in American English and Favourite is in British English . In British English 'ou' is common and in American English 'o' is common like colour in British English and color in American English.

You should say " What is your name?" OR " What's your name? "

Wrong, You should say : " Is Amina a teacher?"

You should say : " I want to speak perfect English so let's chat in English. "

You can improve your vocabulary by learning more phrases , more words and more idioms

You can improve your English by talking in English with your friends , family members , teachers etc.